Sorry We Can T Perform This Action. Sorry we cant perform this action. In the left pane select Users Guest users.
Incompatible Office products are installed on your machine. Select the user then Select and then select Delete. We recommend that you uncheck these settings only to troubleshoot the issue.
Add-in doesnt activate in Office 2013.
If there are still errors with the account after the previous steps we recommend that you completely remove the guest account from M365. Based on the majority of affected users are saying the error typically occurs on the very first document opened with an Office program. If you have an administrator please contact them for help. If you have a Microsoft supported alternative please post it here in the comments.