By default, the Operator is allowed to export archive files.

Forbid export of video files as follows:

1. Go to the Users tab in the System settings dialog box (1).
   
2. In the object tree located under the User permissions button in the Users tab select the same-name object corresponding to the Operator access permissions which are to be changed (2).
3. The settings panel of the User permissions object will display on the right of the System settings dialog box.
4. In order to forbid the Operator to export archive files, set the Allow export checkbox unchecked (3). 
5. Click the Apply button (4).

Archive export permissions are now set.