Describes the cause and action for error messages.
Error Message(English)：
autosave not available
AutoSave is disabled for OneDrive, OneDrive for Business, and ...
https://support.office.com/en-gb/article/autosave-is-disabled-for-onedrive-onedrive-for-business-and・・・
Newest 'autosave' Questions - Super User
https://superuser.com/questions/tagged/autosave
cloud - Autosave function is disabled on files stored in Azure ...
https://superuser.com/questions/1394873/autosave-function-is-disabled-on-files-stored-in-azure-file-・・・