How to fix "word cannot open the file because the file format does not match the file extension"?

Name: How to fix "word cannot open the file because the file format does not match the file extension"?
Uploaded: 2021-05-26T22:03:50-07:00
Duration: 141 s
Description: ویدیو How to fix "word cannot open the file because the file format does not match the file extension"?