Clickfree Automatic Backup DVD Office Edition DVD300, 3-Pack (Discontinued by Manufacturer) Has 4.5GB available storage space or approximately 9,000 documents storage per disc. Backups of all important office files such as, PDF, Power Point, Excel, Word, Quicken, etc. Lots of Productivity files? No problem. With the ability to automatically back up across multiple Clickfree DVD's, all your office productivity files are protected. Once backed up, the Clickfree Backup integrated file viewer allows you to browse, select, and share your office productivity files. For power users, Clickfree Automatic Backup provides numerous options for a fully customized backup. Users can target specific folders, select file extensions, specify a files size range to better personalize the backup of office productivity files. Once inserted, the Clickfree backup software automatically launches, searches for and copies to disc over 200 office productivity file types.