9 STEPS
1. In Google Drive files, users without .gmail domain address will show up as "anonymous." in the top right hand corner
2. To get rid of these users, click Share.
3. Click Change under "Get Link"
4. Click Anyone with the link change link
5. Click Papillion La Vista Community Schools.
6. With your mouse, click Done
7. Click Done. Now only people with a PLCS Gmail can access the file, which will then show their name when they are on the file.
8. The anonymous user will immediately be forced to sign in and will no longer be able to access the doc.
9. That's it. You're done.