Answers
Helps open a file saved incorrectly
Recovers data from a corrupted file
Copies data to another disk at a different location
Reduces drive head movement to speed up reading
Scans files for matches in a definitions database
Checks downloads before the user opens them
Detects spyware recording keystrokes
Restores lost data from a saved copy
Moves parts of a file into consecutive locations
Reduces file size to fit an email attachment limit
Extracts readable parts of a damaged file
Reorganises files stored in scattered pieces
Makes files smaller to save disk space
Quarantines an infected file
Reduces the amount of data sent over a network
Fixes a document damaged by a power cut
Protects against data loss from fire or flood
Gathers free space into one place
Kept up to date with regular copies
WinZip shrinking a folder of files