To resolve this issue, you may need to use Terminal on Mac for help. According to Microsoft: Save early, save often is now a thing of the past. This means that Word is quietly saving the document you are working on without you needing to. It provides a web service that allows multiple people to collaborate on a task. Word interacts with your email program, so the problem is likely to be there and not in Word. Click the location and folder that contains the corrupted Excel file. Issue: In Outlook for Mac, you will find the junk e-mail protection options greyed out and not adjustable. I just updated my Microsoft Office 365 products for Macbook today. Here you should see the link for Options. So there's no way to enable auto-save when saving to Dropbox. Save documents, spreadsheets, and presentations online, in OneDrive. (And when a fluke computer reboot happened, it was clear that it. In Open dialog, select the corrupted Excel file and click the arrow next to Open button > Click Open and Repair. Office 365 mac autosave greyed out Enter the resource name and either select it from the automatic look up list or click Search Contacts & Directory link to find the room in the open another mailbox field.