If you would like to limit access to certain files, such as Screen Layout (.CLY) files, here are the steps, using Windows 2000.
Select the ACT Layout folder, then the file to limit access to, for example Contact1.cly
Right click and select Properties
You will see the following dialog appear
Select the Security tab
Select the Add... button
Select the Add button to add the user you want to have access
for example, the ACT Admin user
Select Allow for the Permissions
For Everyone else, select the Deny permissions
Then if anyone not allowed access will see a message
when trying to activate this file