AceCat is a disk cataloging tool that can generate and store catalogs of your disks or directories in an Archive for future off-line searching, browsing and managing, even those disks are not available. You can search all your cataloged disks at one time without inserting and ejecting them from your Drive frequently! AceCat has a extremely-high speed searching engine which can check more than 5,000 files per second with complex search options.