Hello John, january of this year I posted a topic "dimensions or file settings" about the fact that I wasn't abble to "grip" dimensions on AutoCAD files that were not mine and a colleague found the "settings" place :
It may interrest somebody somewere on the planet.
The printscreen is in french, sorry.
Depending on files, this setting works or not !philippe JOSEPH2014-04-22 13:53:29

That's good to know.  Thanks.