Disk Space Pro is a program that provides data pertaining to disk drives, such as external drives, hard drives, DVD’s, CD’s, network drives, USB flash drives, and memory cards. Scan your folders to create a sortable list that shows their size. Then, click the scan results for drilling down to the sub-folders. The tool lets you scan any folder or drive and scan history. The app settings and scan results can be customized too. The user interface is wonderful, which presents the files taking up hard drive space in an easy-to-view manner.