How To - Share A Document From A Microsoft Office Program ( Word, Excel )
When you share your document with others and give them permission to edit, everyone's changes are made in the same document.
- In the top right corner, above the ribbon, click Share.

- Save your document in OneDrive, if it's not already there.
- Enter email addresses of the people you want to share with, and make choices for permission you want to allow.
- Type a message if you want, and click Send.
The people you're sharing with will get an email from you, with a link to your document.