Your Outlook has corrupted; the error message is “Microsoft Office can’t find your license for this application. A repair attempt was unsuccessful or was cancelled. Microsoft Office will now exit“.
Solution 1: Restart your computer and then open Outlook to see if the issue has been resolved. Run updates by starting Run and then running C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe /update user.
Solution 2: Run services.msc and start the Software Protection (sppsvc.exe) service. Restart Outlook and see if the issue has been resolved.
Solution 3: If there are restore points, you can set it to the last time Outlook was working to resolve the issue.
Solution 4: Uninstall Microsoft Office365 setup. Now download and reinstall Microsoft Office365 setup from your Office 365 account at Office.com and then click on “Install Office“.
Solution 5: Make sure the right Office 365 license has been assigned to your Office 365 account because you may have been assigned the wrong license.