Official documentation
Add-ins are user re-enabled after being disabled by Office programs
Microsoft Learn, Outlook troubleshooting, 2016
Read the originalRead on October 17, 2026
- What it is
- Microsoft's article on add-in resiliency in Office 2013 and later. It explains that Outlook, Word, Excel and PowerPoint disable an add-in that performs slowly or crashes, how to re-enable it with Always enable this add-in, and the registry key that exempts it.
- How much weight it carries
- Official Microsoft documentation, covering Office 2013 to 2016 in its applies-to list. Its registry details are for administrators and advanced users. It does not name any particular third-party add-in.
Facts taken from this source
- Office 2013 and later versions disable an add-in that performs slowly, and Microsoft says you can re-enable it with the Always enable this add-in option.
“Programs in Office 2013 and later versions provide add-in resiliency in that the apps will disable an add-in if it performs slowly. However, you can re-enable the add-in and select the Always enable this add-in option” (Summary)
- Microsoft says that in Outlook 2016 you open disabled add-ins from the File tab, under Slow and Disabled COM Add-ins, and in Outlook 2013 under Slow and Disabled Add-ins.
“On the File tab, select Slow and Disabled COM Add-ins in Outlook 2016 or select Slow and Disabled Add-ins in Outlook 2013.” (Steps to manually disable an add-in)