How do I turn on AutoSave? - Microsoft Support

  1. When you want to set your documents to auto save start by clicking this toggle switch 
  2. It will then where in the cloud you want to save it we recommend your own personal Onedrive although if it is a document all members of a group need access to you can choose a sharepoint location
  3. You will need to have Auto save on if you are sharing a document to be co-edited with others.
  6. This will also allow for historical edits incase you need to go back to a previous version for correction purposes.