how to turn on autosave in word for shared files

About the only thing left I can think to do is reformat his hard drive and restoring it via the Time Machine backup in case there is some corrupt file that is hanging things up. His Autosave feature was definitely working at some point while on the family plan, but we're not sure when it quit working. So we have Office 365 and share a family account. We did have an Office 365 Business account at one time, but that proved to be more than we actually needed since it is just the two of us. running the mand in the package contents of the OneDrive app.deleting OneDrive related items in Keychain Access.starting his computer in safe mode and running OneDrive.signing out of Office 365 and signing back in.complete uninstall of all Microsoft applications including OneDrive using AppCleaner and reinstalling it.Once the file is saved in his Documents and he quits Word and goes back into Finder and reopens the file, Autosave is no longer on and can't be turned on even on those files that were saved via the 'Online Locations' method.However, when doing it via 'Online Locations' the shared folder is not an option for him so he has to save it in one of his personal folders like Documents (the OneDrive one). But if he saves it via 'Online Locations' it does. docx file and saves it via the 'On My Mac' window, Autosave never turns on. And no matter if I reopen it from Finder or OneDrive online, the Autosave feature always works. docx file, I can save it in the shared folder (or anywhere in OneDrive) and Autosave will turn on whether I save it via 'On My Mac' or 'Online Locations'. I created a folder in my OneDrive and shared it with a colleague.How do I turn it on? - Microsoft Community, but none of the suggestions help my situation. I've read through the posts on this thread, Autosave is stuck in off.

How to turn on autosave in word for shared files