AutoDWG DWGLock 2.82 Portable | 6.6 Mb
DWGLock is a powerful and fast DWG tool, protecting drawing file from being modified or copied. It is a stand-alone application requiring no AutoCAD.
Powerful encryption, protect the entities in drawing from copying and modifying
Recipients can view protected drawing file and add lines and markups to it
Batch encryption drawings in full folder
Support lock drawings with password
Support AutoCAD drawing from R2.9 to 2016