I have a question in an 2011 autocad book that ask
when can you erase an .ac$ file?
Solved! Go to Solution.
Solved! by pendean. See the answer in context.
After all AutoCAD programs in your office are closed and no one has any of the DWG files open: these are temp files created by AutoCAD when a DWG file is open (or left over if AutoCAD crashes).