diff --git a/CODEOWNERS b/CODEOWNERS
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+# Each line is a file pattern followed by one or more owners.
+
+# These owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence,
+# @microsoft/cpptools-maintainers will be requested for
+# review when someone opens a pull request.
+
+*   @microsoft/cpptools-maintainers