AutoDWG DWGLock is a perfect tool that secures your drawing files and designs from being copied or modified. It is a stand alone application which means that it can work alone with no AutoCAD required.
AutoDWG DWGLock protects the entities in your drawing that can be copied or changed and secures your designs from random use. With this tool, the owner of the drawing or design can open it with convenience and it allows them to edit it.
You can even add lines and markup the drawing and save and delete all comments. AutoDWG DWGLock also enables the drawing recipient to lock or unlock the source drawing with a password for more security.
It also supports batch encrypt/un-encrypt many files or folders at one time which allows you to save a lot of your time. This tool is a fast drawing tool, easy to use and powerful for protecting drawing files.