Last Updated: April 2, 2020
Users are receiving an "Access Denied" error when trying to launch third-party Office add-in's that rely on the .Net Framework Office binaries.
This issue is fixed in build 12723 and newer. If you are currently affected by this, you can run the Online Repair tool to fix the issue. Please visit Repair an Office application for more information on how to use the Online Repair tool.
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