diff --git a/Demos/ASP.NET Core/src/GroupDocs.Viewer.AspNetCore.csproj b/Demos/ASP.NET Core/src/GroupDocs.Viewer.AspNetCore.csproj
index 9af88f1eb..77e1ea056 100644
--- a/Demos/ASP.NET Core/src/GroupDocs.Viewer.AspNetCore.csproj	
+++ b/Demos/ASP.NET Core/src/GroupDocs.Viewer.AspNetCore.csproj	
@@ -5,10 +5,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GroupDocs.Viewer.UI" Version="3.1.0" />
-    <PackageReference Include="GroupDocs.Viewer.UI.Api.Local.Cache" Version="3.1.0" />
-    <PackageReference Include="GroupDocs.Viewer.UI.Api.Local.Storage" Version="3.1.0" />
-    <PackageReference Include="GroupDocs.Viewer.UI.SelfHost.Api" Version="3.1.2" />
+    <PackageReference Include="GroupDocs.Viewer.UI" Version="3.1.3" />
+    <PackageReference Include="GroupDocs.Viewer.UI.Api.Local.Cache" Version="3.1.2" />
+    <PackageReference Include="GroupDocs.Viewer.UI.Api.Local.Storage" Version="3.1.1" />
+    <PackageReference Include="GroupDocs.Viewer.UI.SelfHost.Api" Version="3.1.7" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Demos/MVC/GroupDocs.Viewer MVC.sln b/Demos/MVC/GroupDocs.Viewer MVC.sln
index f741cbdb6..86ea44e8e 100644
--- a/Demos/MVC/GroupDocs.Viewer MVC.sln	
+++ b/Demos/MVC/GroupDocs.Viewer MVC.sln	
@@ -5,7 +5,7 @@ VisualStudioVersion = 15.0.28010.2050
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.MVC", "src\GroupDocs.Viewer.MVC.csproj", "{A33CA8B0-A193-40A3-A86A-90FF444EE878}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.MVC.Test", "GroupDocs.Viewer.MVC.Test\GroupDocs.Viewer.MVC.Test.csproj", "{C8F2EDB6-BD6C-465F-B59F-2CEA33BD7FE6}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.MVC.Test", "tests\GroupDocs.Viewer.MVC.Test\GroupDocs.Viewer.MVC.Test.csproj", "{C8F2EDB6-BD6C-465F-B59F-2CEA33BD7FE6}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/Demos/MVC/src/GroupDocs.Viewer.MVC.csproj b/Demos/MVC/src/GroupDocs.Viewer.MVC.csproj
index f6948e8ab..ee1c82c31 100644
--- a/Demos/MVC/src/GroupDocs.Viewer.MVC.csproj
+++ b/Demos/MVC/src/GroupDocs.Viewer.MVC.csproj
@@ -45,8 +45,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="GroupDocs.Viewer, Version=21.9.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
-      <HintPath>..\packages\GroupDocs.Viewer.21.9.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
+    <Reference Include="GroupDocs.Viewer, Version=21.10.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
+      <HintPath>..\packages\GroupDocs.Viewer.21.10.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.0\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
diff --git a/Demos/MVC/src/Web.config b/Demos/MVC/src/Web.config
index 9776c0b54..a6cc14fab 100644
--- a/Demos/MVC/src/Web.config
+++ b/Demos/MVC/src/Web.config
@@ -110,12 +110,12 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Cells" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Diagram" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -125,7 +125,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Imaging" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -145,7 +145,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Tasks" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.8.0.0" newVersion="21.8.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
diff --git a/Demos/MVC/src/client/package.json b/Demos/MVC/src/client/package.json
index 8719619d3..8a57a420a 100644
--- a/Demos/MVC/src/client/package.json
+++ b/Demos/MVC/src/client/package.json
@@ -40,7 +40,7 @@
     "rxjs": "~6.4.0",
     "zone.js": "^0.9.1",
     "@nrwl/angular": "^8.2.0",
-    "@groupdocs.examples.angular/viewer": "^0.8.63"
+    "@groupdocs.examples.angular/viewer": "^0.8.70"
   },
   "devDependencies": {
     "cypress": "~3.3.1",
diff --git a/Demos/MVC/src/packages.config b/Demos/MVC/src/packages.config
index db470315f..45782f1c9 100644
--- a/Demos/MVC/src/packages.config
+++ b/Demos/MVC/src/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net45" />
-  <package id="GroupDocs.Viewer" version="21.9.0" targetFramework="net45" />
+  <package id="GroupDocs.Viewer" version="21.10.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.2.5" targetFramework="net45" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net45" />
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj
similarity index 95%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj
index 0a1f40bca..c77b50fdf 100644
--- a/Demos/MVC/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj
+++ b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/GroupDocs.Viewer.MVC.Test.csproj
@@ -1,146 +1,146 @@
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-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
-  <PropertyGroup>
-    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProjectGuid>{C8F2EDB6-BD6C-465F-B59F-2CEA33BD7FE6}</ProjectGuid>
-    <OutputType>Library</OutputType>
-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>GroupDocs.Total.MVC.Test</RootNamespace>
-    <AssemblyName>GroupDocs.Total.MVC.Test</AssemblyName>
-    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
-    <FileAlignment>512</FileAlignment>
-    <Deterministic>true</Deterministic>
-    <NuGetPackageImportStamp>
-    </NuGetPackageImportStamp>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
-    <DebugType>pdbonly</DebugType>
-    <Optimize>true</Optimize>
-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
-    <WarningLevel>4</WarningLevel>
-  </PropertyGroup>
-  <ItemGroup>
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-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
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-      <HintPath>..\packages\GroupDocs.Viewer.21.9.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
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-      <HintPath>..\packages\Huygens.1.4.5\lib\net46\Huygens.dll</HintPath>
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-    </Reference>
-    <Reference Include="MvcContrib.TestHelper">
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-      <HintPath>..\packages\MvcRouteTester.1.2.1\lib\net40\MvcRouteTester.dll</HintPath>
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+<?xml version="1.0" encoding="utf-8"?>
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+  <Import Project="..\packages\NUnit.3.11.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" />
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{C8F2EDB6-BD6C-465F-B59F-2CEA33BD7FE6}</ProjectGuid>
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+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.1\lib\netstandard2.0\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.4.0\lib\net461\System.ValueTuple.dll</HintPath>
+      <Private>True</Private>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Web" />
+    <Reference Include="System.Web.Helpers, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.Helpers.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.Mvc, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.Mvc.5.2.3\lib\net45\System.Web.Mvc.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.Optimization, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.Web.Optimization.1.1.3\lib\net40\System.Web.Optimization.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.Razor.3.2.7\lib\net45\System.Web.Razor.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.WebPages.Deployment, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.Deployment.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.7\lib\net45\System.Web.WebPages.Razor.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+    <Reference Include="WebGrease, Version=1.6.5135.21930, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+      <HintPath>..\packages\WebGrease.1.6.0\lib\WebGrease.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ViewerControllerTest.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="MvcContrib.TestHelper.dll" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\GroupDocs.Viewer.MVC.csproj">
+      <Project>{a33ca8b0-a193-40a3-a86a-90ff444ee878}</Project>
+      <Name>GroupDocs.Viewer.MVC</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.11.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.11.2\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.11.2\build\net35\NUnit3TestAdapter.props'))" />
+  </Target>
+  <PropertyGroup>
+    <PostBuildEvent>
+    </PostBuildEvent>
+  </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/MvcContrib.TestHelper.dll b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/MvcContrib.TestHelper.dll
similarity index 100%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/MvcContrib.TestHelper.dll
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/MvcContrib.TestHelper.dll
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/Properties/AssemblyInfo.cs b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/Properties/AssemblyInfo.cs
similarity index 100%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/Properties/AssemblyInfo.cs
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/Properties/AssemblyInfo.cs
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/ViewerControllerTest.cs b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/ViewerControllerTest.cs
similarity index 100%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/ViewerControllerTest.cs
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/ViewerControllerTest.cs
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/app.config b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/app.config
similarity index 95%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/app.config
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/app.config
index 3ff7f1eca..0d7f12900 100644
--- a/Demos/MVC/GroupDocs.Viewer.MVC.Test/app.config
+++ b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/app.config
@@ -81,12 +81,12 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Cells" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Diagram" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -96,7 +96,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Imaging" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -116,7 +116,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Tasks" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.8.0.0" newVersion="21.8.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
diff --git a/Demos/MVC/GroupDocs.Viewer.MVC.Test/packages.config b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/packages.config
similarity index 95%
rename from Demos/MVC/GroupDocs.Viewer.MVC.Test/packages.config
rename to Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/packages.config
index bd6423edd..180f910aa 100644
--- a/Demos/MVC/GroupDocs.Viewer.MVC.Test/packages.config
+++ b/Demos/MVC/tests/GroupDocs.Viewer.MVC.Test/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net461" />
   <package id="Castle.Core" version="4.3.1" targetFramework="net461" />
-  <package id="GroupDocs.Viewer" version="21.9.0" targetFramework="net461" />
+  <package id="GroupDocs.Viewer" version="21.10.0" targetFramework="net461" />
   <package id="Huygens" version="1.4.5" targetFramework="net461" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net461" />
   <package id="Microsoft.AspNet.Razor" version="3.2.7" targetFramework="net461" />
diff --git a/Demos/WPF/src/GroupDocs.Viewer.WPF.csproj b/Demos/WPF/src/GroupDocs.Viewer.WPF.csproj
index e14960441..cc35dfd8f 100644
--- a/Demos/WPF/src/GroupDocs.Viewer.WPF.csproj
+++ b/Demos/WPF/src/GroupDocs.Viewer.WPF.csproj
@@ -41,7 +41,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="GroupDocs.Viewer" Version="21.9.0" />
+    <PackageReference Include="GroupDocs.Viewer" Version="21.10.0" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.sln b/Demos/WebForms/GroupDocs.Viewer.WebForms.sln
index cd3c493fa..b3cb1badb 100644
--- a/Demos/WebForms/GroupDocs.Viewer.WebForms.sln
+++ b/Demos/WebForms/GroupDocs.Viewer.WebForms.sln
@@ -5,7 +5,7 @@ VisualStudioVersion = 15.0.28010.2050
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.WebForms", "src\GroupDocs.Viewer.WebForms.csproj", "{7B296703-AC7B-4FA6-BD42-BEC76D0C6DDC}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.WebForms.Test", "GroupDocs.Viewer.WebForms.Test\GroupDocs.Viewer.WebForms.Test.csproj", "{C0E13EC1-3C31-4D1C-AD67-A68D228FE8C9}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GroupDocs.Viewer.WebForms.Test", "tests\GroupDocs.Viewer.WebForms.Test\GroupDocs.Viewer.WebForms.Test.csproj", "{C0E13EC1-3C31-4D1C-AD67-A68D228FE8C9}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/Demos/WebForms/src/GroupDocs.Viewer.WebForms.csproj b/Demos/WebForms/src/GroupDocs.Viewer.WebForms.csproj
index 8e4a9d7d7..06e97c563 100644
--- a/Demos/WebForms/src/GroupDocs.Viewer.WebForms.csproj
+++ b/Demos/WebForms/src/GroupDocs.Viewer.WebForms.csproj
@@ -44,8 +44,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="GroupDocs.Viewer, Version=21.9.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
-      <HintPath>..\packages\GroupDocs.Viewer.21.9.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
+    <Reference Include="GroupDocs.Viewer, Version=21.10.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
+      <HintPath>..\packages\GroupDocs.Viewer.21.10.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.1.0.0\lib\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.dll</HintPath>
diff --git a/Demos/WebForms/src/Web.config b/Demos/WebForms/src/Web.config
index ce0c60c70..43bee7f67 100644
--- a/Demos/WebForms/src/Web.config
+++ b/Demos/WebForms/src/Web.config
@@ -138,12 +138,12 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Cells" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Diagram" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -153,7 +153,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Imaging" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
@@ -173,7 +173,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Aspose.Tasks" publicKeyToken="716fcc553a201e56" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-21.8.0.0" newVersion="21.8.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-21.10.0.0" newVersion="21.10.0.0" />
         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
diff --git a/Demos/WebForms/src/client/package.json b/Demos/WebForms/src/client/package.json
index 7c22af8b4..8a57a420a 100644
--- a/Demos/WebForms/src/client/package.json
+++ b/Demos/WebForms/src/client/package.json
@@ -40,7 +40,7 @@
     "rxjs": "~6.4.0",
     "zone.js": "^0.9.1",
     "@nrwl/angular": "^8.2.0",
-    "@groupdocs.examples.angular/viewer": "^0.8.64"
+    "@groupdocs.examples.angular/viewer": "^0.8.70"
   },
   "devDependencies": {
     "cypress": "~3.3.1",
diff --git a/Demos/WebForms/src/packages.config b/Demos/WebForms/src/packages.config
index 22a50414c..850194f96 100644
--- a/Demos/WebForms/src/packages.config
+++ b/Demos/WebForms/src/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net45" />
-  <package id="GroupDocs.Viewer" version="21.9.0" targetFramework="net45" />
+  <package id="GroupDocs.Viewer" version="21.10.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.Cors" version="5.2.6" targetFramework="net45" />
   <package id="Microsoft.AspNet.FriendlyUrls" version="1.0.2" targetFramework="net45" />
   <package id="Microsoft.AspNet.FriendlyUrls.Core" version="1.0.2" targetFramework="net45" />
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj
similarity index 97%
rename from Demos/WebForms/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj
rename to Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj
index 98392e589..9b0e92e85 100644
--- a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj
+++ b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/GroupDocs.Viewer.WebForms.Test.csproj
@@ -1,90 +1,90 @@
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-    <ProjectGuid>{C0E13EC1-3C31-4D1C-AD67-A68D228FE8C9}</ProjectGuid>
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-    <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>GroupDocs.Viewer.WebForms.Test</RootNamespace>
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-    <DebugSymbols>true</DebugSymbols>
-    <DebugType>full</DebugType>
-    <Optimize>false</Optimize>
-    <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <ErrorReport>prompt</ErrorReport>
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-    <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>TRACE</DefineConstants>
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-    <Reference Include="System.Web.Routing" />
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-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="Microsoft.CSharp" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xml" />
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-  <ItemGroup>
-    <Compile Include="ViewerTest.cs" />
-    <Compile Include="Properties\AssemblyInfo.cs" />
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="app.config" />
-    <None Include="packages.config" />
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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\NUnit3TestAdapter.3.11.2\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.11.2\build\net35\NUnit3TestAdapter.props')" />
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+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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+    <ProjectGuid>{C0E13EC1-3C31-4D1C-AD67-A68D228FE8C9}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>GroupDocs.Viewer.WebForms.Test</RootNamespace>
+    <AssemblyName>GroupDocs.Viewer.WebForms.Test</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
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+      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
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+    </Reference>
+    <Reference Include="nunit.framework, Version=3.11.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.11.0\lib\net45\nunit.framework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Configuration" />
+    <Reference Include="System.Core" />
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+    <Reference Include="System.Web.Routing" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="ViewerTest.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
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+    <ProjectReference Include="..\..\src\GroupDocs.Viewer.WebForms.csproj">
+      <Project>{7b296703-ac7b-4fa6-bd42-bec76d0c6ddc}</Project>
+      <Name>GroupDocs.Viewer.WebForms</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\NUnit.3.11.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.11.0\build\NUnit.props'))" />
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 </Project>
\ No newline at end of file
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/Properties/AssemblyInfo.cs b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/Properties/AssemblyInfo.cs
similarity index 100%
rename from Demos/WebForms/GroupDocs.Viewer.WebForms.Test/Properties/AssemblyInfo.cs
rename to Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/Properties/AssemblyInfo.cs
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/ViewerTest.cs b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/ViewerTest.cs
similarity index 100%
rename from Demos/WebForms/GroupDocs.Viewer.WebForms.Test/ViewerTest.cs
rename to Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/ViewerTest.cs
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/app.config b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/app.config
similarity index 100%
rename from Demos/WebForms/GroupDocs.Viewer.WebForms.Test/app.config
rename to Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/app.config
diff --git a/Demos/WebForms/GroupDocs.Viewer.WebForms.Test/packages.config b/Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/packages.config
similarity index 100%
rename from Demos/WebForms/GroupDocs.Viewer.WebForms.Test/packages.config
rename to Demos/WebForms/tests/GroupDocs.Viewer.WebForms.Test/packages.config
diff --git a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/App.config b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/App.config
index 168b47a3b..11b14eebb 100644
--- a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/App.config
+++ b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/App.config
@@ -12,12 +12,12 @@
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-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
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@@ -27,7 +27,7 @@
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-        <bindingRedirect oldVersion="0.0.0.0-21.9.0.0" newVersion="21.9.0.0" />
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@@ -47,7 +47,7 @@
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-        <bindingRedirect oldVersion="0.0.0.0-21.8.0.0" newVersion="21.8.0.0" />
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         <publisherPolicy apply="no" />
       </dependentAssembly>
       <dependentAssembly>
diff --git a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/GroupDocs.Viewer.WinForms.csproj b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/GroupDocs.Viewer.WinForms.csproj
index bcbcf6318..512e83229 100644
--- a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/GroupDocs.Viewer.WinForms.csproj
+++ b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/GroupDocs.Viewer.WinForms.csproj
@@ -33,8 +33,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="GroupDocs.Viewer, Version=21.9.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
-      <HintPath>..\packages\GroupDocs.Viewer.21.9.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
+    <Reference Include="GroupDocs.Viewer, Version=21.10.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
+      <HintPath>..\packages\GroupDocs.Viewer.21.10.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
diff --git a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/packages.config b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/packages.config
index c07f43fa7..8fed7ad38 100644
--- a/Demos/WinForms/src/GroupDocs.Viewer.WinForms/packages.config
+++ b/Demos/WinForms/src/GroupDocs.Viewer.WinForms/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="GroupDocs.Viewer" version="21.9.0" targetFramework="net461" />
+  <package id="GroupDocs.Viewer" version="21.10.0" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/Examples/GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj b/Examples/GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj
index d7e92f359..3c7c8f423 100644
--- a/Examples/GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj
+++ b/Examples/GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj
@@ -8,7 +8,7 @@
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   <ItemGroup>
-    <PackageReference Include="GroupDocs.Viewer" Version="21.9.0" />
+    <PackageReference Include="GroupDocs.Viewer" Version="21.10.0" />
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 </Project>
diff --git a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/App.config b/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/App.config
index 422955754..a98c42ca4 100644
--- a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/App.config
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@@ -65,7 +65,7 @@
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@@ -75,7 +75,7 @@
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-        <bindingRedirect oldVersion="0.0.0.0-21.5.0.0" newVersion="21.5.0.0" />
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@@ -85,12 +85,12 @@
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diff --git a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/GroupDocs.Viewer.Examples.CSharp.Framework.csproj b/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/GroupDocs.Viewer.Examples.CSharp.Framework.csproj
index 3d31a6b9e..90aafcc5d 100644
--- a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/GroupDocs.Viewer.Examples.CSharp.Framework.csproj
+++ b/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/GroupDocs.Viewer.Examples.CSharp.Framework.csproj
@@ -47,8 +47,8 @@
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   </PropertyGroup>
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-      <HintPath>..\packages\GroupDocs.Viewer.21.9.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
+    <Reference Include="GroupDocs.Viewer, Version=21.10.0.0, Culture=neutral, PublicKeyToken=716fcc553a201e56, processorArchitecture=MSIL">
+      <HintPath>..\packages\GroupDocs.Viewer.21.10.0\lib\net40\GroupDocs.Viewer.dll</HintPath>
     </Reference>
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diff --git a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/packages.config b/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/packages.config
index b7703af4c..4ecb3f9fd 100644
--- a/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/packages.config
+++ b/Examples/GroupDocs.Viewer.Examples.CSharp.Framework/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="GroupDocs.Viewer" version="21.9.0" targetFramework="net48" />
+  <package id="GroupDocs.Viewer" version="21.10.0" targetFramework="net48" />
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   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net472" />
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