This is office addin to show case the problem of any content updated using insertfileFromBase64 api gets auto saved and change the content of the oneDrive file.
Steps to use the code
Prerequisite -node -gulp
-Download the code and start gulp serve-static task. -Take manifest file and uploas it to Word Online application insert add-in section. -The task pane will appear, click button to update the view content of opened file. -The opened file content gets auto saved and no confirmation asked from user.