Google Docs lets you share files so others can read or edit them. Sharing in Google works the same way throughout Google.
Open Google Docs (docs.google.com) or open the document you want to share
Click the blue “Share” button in the top right corner.
Enter the person’s email address.
If you want them to look at the document, select Viewer.
If you want them to make comments in the document, select Commentor.
If you want them to make changes to the document, select Editor
Click Send
Send homework to teachers.
Work on projects with others online.
Share important letters or forms without printing.