...A powerful and fast dwg tools, Protecting drawing file
, Keep others from modifying/copying your design. DWGLock...designs;
Recipients can open up to view protected drawing
without any inconvenience, they can even add lines,...their comments, it`s all up to you!
owner can lock or unlock the source drawing
...with a password;
Batch encrypt/un-encrypt many files
or folders just in one go....