Yes you can. Small/medium custom changes can be made in the application – in Admin using the Studio. Larger changes – all clients get all the source code, and if you have a PHP developer, they can customize the actual code. If you have a cloud account, you will need a dedicated virtual ma...
Any 1CRM modules you don’t need can be removed by disabling access to them in the default Role in Admin. Then they will simply vanish from the user interface.
