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I'm trying to develop a Word Document add-in through Visual Studio 2013, using a Word 2010 Document selected from the Visual Studio project menu of Office/SharePoint Office Add-ins. It is needed to tie in SharePoint 2013 with a collaborative Word document. I keep getting the error message:

Project cannot be created because the "Word Visual Studio Design-Time Adaptor Add-in" is not working correctly. Word might have disabled the add-in or made it inactive, or all add-ins might be disabled in your Trust Center settings. Check the add-in status in Word Options. If the add-in is active and enabled, reinstall or repair Visual Studio Tools for Office.

I have checked that there is no disabled add-ins in the Trust Center, and I do see the Visual Studio Tools for Office Runtime in the Add-ins. I cannot find any other options, as I have reinstalled the Visual Studio Tools for Office as well.

Where should I go from here?

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1 Answers

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I had the same problem, turned out that one of the updates was causing the problem. (Breaking the VSTO plug-in in some way)

What I did was reinstall Office, and I manually told Microsoft Update not to install updates that were launched after Oct 2016, I could then create Document-Level projects again.