A family of Microsoft word processing software products for creating web, email, and print documents.
Force Get updates for Microsoft 365 apps as follows:
- Open any Microsoft 365 application, such as Word or Excel.
- On the File menu, click Account.
- If you're doing this from Outlook, select File, and then Office Account.
- On the right side of the screen, from the Update Options drop-down list, click Update Now. If your applications are current, a message is displayed indicating you're up to date.
- If this update process wasn't successful, try restarting your computer and doing the above steps again.
Source of this solution with more info- https://support.microsoft.com/en-US/Office/lifecycle/fix-office-update-errors