I have started in the last half hour to get the message below on some recently used vw 12 files it has not happened before and i can't open these files at all. can any one shed some light
This is an unrecognized file. It may be a vectorworks created by a newer version of the application, it may be a very old mini cad file, it may have been created by a nother application, or it may have been corrupted by a hardware or system error
I am using vectorworks architects 12.01