MS Office has taken autosaving away again, if you aren't saving to OneDrive/SharePoint you can't have autosave.

(At least, on my work machine; maybe it's different if you don't have a cloudy M365 version installed).

https://superuser.com/questions/1663096/why-cant-word-autosa...

https://answers.microsoft.com/en-us/msoffice/forum/all/how-t...