Word for Windows may delete some documents instead of saving them, Microsoft confirms.
Impacts Word for Microsoft 365 version 2409, build 18025.20104.
It arises when users close Word after editing and are prompted to save. Saving may delete(!)
https://www.bleepingcomputer.com/news/microsoft/microsoft-word-for-microsoft-365-deletes-some-documents-instead-of-saving-them/