Mix tab disappears

There is a bug in Office Mix where the Mix tab can disappear after installing and using Mix several times. This bug was fixed in version 3823, released on 5\15\2015. To get the fix, as well as the latest features of Office Mix, download and install the latest Mix update from https://mix.office.com/home/setup.

A manual workaround to fix your existing installation can be performed with the following steps:

  1.  Close PowerPoint

  2.  Run the following command from a Windows cmd prompt (Run -> cmd.exe): 

            > REG ADD HKCU\Software\Microsoft\Office\PowerPoint\Addins\AuthorPPT /v LoadBehavior /t REG_DWORD /d 16 /f

  3.  Restart PowerPoint

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