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When was support for ribbon bar buttons added to Outlook 2013? I'm unable to find any documentation that points to a proper version number.

I've found this link for "Adds support for Web Add-in commands to Outlook 2013.": https://support.microsoft.com/en-us/help/3114829/ms16-029-description-of-the-security-update-for-outlook-2013-march-8,-2016

And also this link for the same thing "Adds Web Add-in commands support to Outlook 2013. ": https://support.microsoft.com/en-us/help/3114828/march-8,-2016,-update-for-office-2013-kb3114828

And also this update, stating "Adds Web Add-in commands support to Outlook 2013. ": https ://support.microsoft.com/en-us/help/3114816/march-8,-2016,-update-for-office-2013-kb3114816 (defanged)

I'm guessing that this happened around mid-March, but it doesn't seem to be documented anywhere.

christobits
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1 Answers1

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You need all three patches:

If you are missing any of the patches it won't work. You can verify that these are installed by checking Outlook.exe, mso.dll and osf.dll to make sure they are at 15.0.4805.XXXX. If anything is not updated, it will not work

Outlook Add-ins Team - MSFT
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