File Menu

Open&Compare Files Opens 1st and 2nd files and then performs the compare.
Compare Files Performs compare on the already open 1st and 2nd files.

Open&Compare Folders Opens 1st and 2nd folders and then performs the compare.
Compare Folders Performs compare on the already open 1st and 2nd folders.

Merge Files Begins an interactive Merge process, opens the merge view for the current compare files.
SureMerge (3-Way) Begins a SureMerge process, enters File Open Dialog for parent file, smartly merges all changes which don't conflict and then opens the merge view for the current compare files to allow interactive resolution of any conflicting changes.
Save Merged File Saves the contents of the current merged view to the file specified.

Save Difference Saves the Together view text to the file specified.
Save as RCS Difference Saves the compare as a RCS Difference expression - useful for updating a RCS or CVS version.
Save Difference as HTML Saves the set of views as HTML to a set of files with prefix specified.
Print Difference Prints the Together view text with differences in bold.

Recent Files Guiffy maintains a list of 8 most recently opened file pairs. Choosing a "1st=" and then "2nd=" opens the pair of files and performs a compare.
Recent Folders Guiffy maintains a list of 8 most recently opened folder pairs. Choosing a "1st=" and then "2nd=" opens the pair of folders (filtered by file type) and performs a compare.

Save Settings Saves the current Settings to be restored for subsequent Guiffy sessions. Settings may be Saved automatically on exit (with or without a confirmation dialog) or only saved when the user manually chooses to save them. Settings saved include: Ignore and Show Options, Folder Compare Options, Font and Color Options, View selections, the window dimensions, File Type definitions, Compare/Merge Controls, Auto Save Settings, and the File Type selected.
Exit Quits Guiffy.

See also:

Toolbar
Selecting/Defining File Types