Using AutoCAD 2012 for Mac? Don’t use special characters such as # in your folder names, because AutoCAD will, under certain circumstances, delete whole folders worth of files when you open a drawing. See here and here for more detailed information.
Author: Steve Johnson
Steve is the owner of cad nauseam, has been a CAD specialist since 1985. His roles have included CAD management, development, consulting and technical writing. Steve has also been a contributing editor for Cadalyst magazine, President of the Western Australian AutoCAD User Group, and a Vice President of CADLock, Inc. He is also an international veteran fencing champion.