File Compare
 
1. In Configuration-Editor check "Twin Editors"
 
2. Load newest version of file into left editor with the normal "Load NC File"
 
3. Load old previous version into right editor by clicking on it with the right mouse and choosing "File-load text" from the popup menu.
 
4. Choose "Compare Files" from the Utilities1 Menu.
 
Symbols show up in left Gutter:
 
Image c.GIF  Shows this line has changed.
 
Image d.GIF  Shows this line has been Deleted.
 
Image i.GIF  Shows this line has been Inserted.