أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
You may choose from the AutoCAD’s built-in password protection feature or download an external software namely FOLDER LOCK or similar.
in AutoCAD there is security options, you will find your solution.
DWGLock is a powerful and fast DWG tool, protecting drawing file from being modified or copied