Microsoft has fixed a known issue that was causing Word to delete some Windows users' documents instead of saving them.

A dangerous bug in Microsoft Word version 2409 is auto-deleting documents while saving. It affects files with capitalized ...

Some Mac users have noticed that Microsoft Office files and documents, whether that’s Word docs, Excel spreadsheets, ...

and something about the two updates blocked opening Office documents. Whenever he tried to open Word or Excel documents, the Finder tried to open them in other apps, like Preview. When he tried to ...