Step 3: Share and collaborate
With Office 365, you can securely share files, edit together in real time, and be productive wherever you are, on any device. Check out all of the ways you can Collaborate on files and give it a try.
To share a file from an Office app like Word, Excel, or PowerPoint:
Select Share on the ribbon.
Enter a name or email address.
Note: To change permissions, select the drop-down. Allow editing is checked by default. To change to view only, uncheck this box and select Apply.
Collaborate with others
After you share your file, you can work on it with others at the same time.
You can co-author with others in both the Office Online apps and the desktop apps.
Colored flags show you who is editing and where.