A family of Microsoft word processing software products for creating web, email, and print documents.
1
Please provide a screenshot of the error indicated when you try to open that file, and is this problem only occurring with the one Word file or all files.
2
In the meantime, if you use OneDrive to sync your files online, if you log into OneDrive in a web browser (https://onedrive.live.com/), is there a version of that file available there that you can download and open.