Outlook and Teams - issues with some add-ins and apps

We've now resolved the incident. Thanks for your patience.

Update on the two open Microsoft issues:

TM1261085 - Some users may be unable to view the Planner app in Microsoft Teams

Resolved around 02:00 March 26th

EX1255397 - Some users may be unable to access the default add-ins in Outlook

The Microsoft issue remains open. Microsoft have identified possible cause, and investigation continues.

Microsoft plan to provide the next update at 21:00 GMT March 26th

Update on the two open Microsoft issues:

TM1261085 - Some users may be unable to view the Planner app in Microsoft Teams

While the Microsoft issue remains open, an update has been made that should allow the app to return.

Anyone facing this issue will need to exit and restart Teams

Microsoft plan to provide the next update at 18:00 GMT

EX1255397 - Some users may be unable to access the default add-ins in Outlook

The Microsoft issue remains open.

Microsoft plan to provide the next update at 21:00 GMT.

Microsoft have a new, similar Service Health post relating to Microsoft Teams

"Users may be unable to view the planner app in Microsoft Teams."

Microsoft reference: TM1261085

Their next update on this reference is planned for 14:00 GMT, today.

Microsoft have updated their Service Health post.

The description of impact has widened from the 'My Templates' add-in, to 'default add-ins'.

Their next update is planned by 21:00 on 25th March.

Microsoft Service Health reference: EX1255397

Microsoft have created a Service Health post notifying that:

"Some users may be unable to access the My Templates add-in in Outlook. This issue impacts both the Outlook desktop client and Outlook on the web. Some affected users find that the “My Templates” icon is missing from the Outlook ribbon"

Microsoft reference: EX1255397

Microsoft are investigating, and are planning to update by Thursday 26th March at 0100 GMT.

We will update this post accordingly as that progresses.