Show Differences of Drawings
Compare the active drawing to another saved drawing.
- Objects that are only found in the active drawing are shown in green.
- Objects that are found in the drawing saved in the file, but not in the active one are shown in red.
- Shared objects in the same location in both drawings are shown in light grey.

Compare a drawing saved to a file to the active drawing.
- First, open the drawing to which you want to compare in the working window.
- Select View | Comparison |  File. File.
- Select the file, and click Open.
- The Compare dialog box opens and illustrates the additions and deletions in the drawing.- Inserted - Objects only in the active drawing.
- Removed - Objects in the drawing saved to a file, but not in the active one.
- If you select  Keep Markings, the markings will remain on screen even if you click OK. Keep Markings, the markings will remain on screen even if you click OK.
 
- Select View | Comparison|  Stop. Markings will be removed. Stop. Markings will be removed.
