
Hi,
What version of Office did you use?
Did this problem only appear in Word? How about other Office products?
I suggest you check if you can use the Online Videos in Excel.
If you have a firewall or antivirus software enabled, it is also recommended that you try disabling them.
You can also try to repair Office application:
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.