- In the Projects tab, click and select with the ctrl key pressing two files.
- Right-click one of the selected files, and select Tools > Diff from the context menu.
- The graphical Diff view appears and lets you step through all differences.
this is very important when you want to edit a file..
clone the orginal document(Rgt on doc tab>Clone Document) and edit.. then compare...
Diff only appears in the Tools menu when two files are selected and in focus.