This is useful, for example if you are a kind saving lot of documents on a directory, say My Document, and want to delete some old documents.
Clean Drive is very simple to use. Run it (no installation needed) and change the number of days files need to be older than to be deleted.
Set the directory/drive in which to search for the files. Then click on Scan Now button to search and display matching files. You are then given an option to delete these files including empty directories that match the age you specify.
Clean Drive is a freeware and works on Windows7, Vista and XP.