How to remove access to a user?
Steps to Follow
1. Go to the “Data” tab and the “Contacts” subtab.
2. Click on “Users” at the top right.
3. Select the user you want to remove access from.
4. Click on “Edit” at the top right.
5. In the fifth page of the dialog box, change the role of the user to “No access.”
6. Click on “Finish.”