AUTOSAVERETAIN
Controls how autosave (.sv$) and backup (.bak) files are treated when a drawing file or the program is closed.
0 = Deletes .sv$ files and keeps .bak files in the path specified by the SAVEFILEPATH system variable.
1 = Moves .sv$ and .bak files to the recycle bin.
2 = Keeps .sv$ and .bak files in the path specified in the SAVEFILEPATH system variable.
Type: Integer
Saved: In the registry
Range: 0 to 2
Default: 0