.dll is not a valid office add-in RRS feed

  • Question

  • Trying to add an Outlook Add-in to Outlook 2016 / 16.0.4849.1000 32bit on Windows 10 / 1903 under a test user generates an error shown below.

    The Add-in was built on the same computer under a dev account. Dev account is a member of local users. When running the code from Visual Studio the add-in gets added to Outlook without any issues. The project was compiled and the entire Debug folder was given to a QA user to test installation. 

    Both users have the same rights on the system.

    • Moved by Perry-Pan Tuesday, November 5, 2019 7:48 AM
    Saturday, November 2, 2019 6:13 PM

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