File Menu

Uncheck All
Uncheck [ Trash ] of all files in all groups.

Check Older
Check [ Trash ] of older files (modified earlier) in all groups.
(only the newest file in each group remains)

Check Deeper
Check [ Trash ] of files which reside in deeper folder in all groups.
(only the file which reside in shallowest folder in each group remains)

Check Smaller
Check [ Trash ] of smaller files in all groups.
(only the largest file in each group remains)

Empty Content
Removes all files added to check (start again from the beginning).

Trash Checked Files...
After confirmation, trashes files marked as [ Trash ].
(SweepUp inhibits this command once Matching Conditions is changed and [ Find Match ] is not executed yet, because matching result shown in a window is not appropriate.)

Macintosh
SweepUp makes a folder, like [ SweepUp ...date... ], in the Finder's Trash, then trashes files into it with original folder hierarchy.
Windows
Windows Trash (Recycle) itself remembers original place of each file.

Delete emptied folders
If this option is specified, SweepUp deletes folders which become empty by containing files are deleted. Folders in which deleted folders reside are also checked and may be deleted as well.
(Note that SweepUp leaves files which is hidden (invisible) or is used by system, there may be left folders even if it looks empty.)