It had to do with the user's privacy settings for Office 365. Once the Enable options connected experiences was enabled the button worked properly again
outlook add-in issue
Hi All
For one of my user Add-ins is greyed out in his outlook, profile has been reconfigured. followed the below article but no luck. Can there by any policy to block this, only this user is facing issue. even user has changed his computer but same issue.
https://www.techhit.com/how-to/fix-missing-add-in-outlook-2016-2013-2010/
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JeffYang-MSFT 6,241 Reputation points Microsoft Vendor
2020-08-28T08:49:16.17+00:00 What's the version of your Outlook (File > Office Account > About Outlook)?
And what email account are you using? O365 account or Exchange On-premises account?According to your description, it seems that only this specific user has the issue and all other users can normally use this Get Add-ins button. So, does this specific user's email account in the same organization along with other users?
even user has changed his computer but same issue.
How did this user change his computer? By adding his domain account on other computers? If so, to confirm if the issue is related to his domain account, it is suggested to directly add this problematic email account to the normal Outlook client in which other users can use Get Add-ins button well and see if the issue has any difference.
Besides, according to my search, if you are using O365 accounts, limitations from your admin might also cause issues like this. Please check the workaround mentioned in this thread and see if it could help.
Any update, please feel free to post back.
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