You can rename a login suffix. If you do, the accounts associated with the original login suffix are automatically updated to the new one. Be sure to notify the users affected that they have a new login suffix. They will not be able to log in using the original suffix.
To modify a login suffix:
- Open Admin Portal and click Settings > General > Suffix.
- Right-click the login suffix and click Modify.
- Make your changes in the text box and click Save.