
Hi,
Did this problem only appear in Word?
Did this problem appear in all Word documents?
Did you open the document from browser open in Desktop app? Or did you open the document from other ways?
Based on this article, it seems this feature only available for Microsoft 365 subscription:
Just checking in to see if the information was helpful. Please let us know if you would like further assistance.
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.