Dwglock For Lock Autocad Drawings
Now you can protect your works with this DWGLock software, the entities in the send out drawings can NOT be copied nor changed. However, recipients can open up the drawing, add lines and markups. Only the drawing owner allows extracting the drawing, if they need to, enclosing theadded part with the native drawing.
This is ideal solution for the collaboration needs and contractors.
It is a stand-alone application, no AutoCAD required; Supports AutoCAD R2.9 thru 2012 drawings.