MailsSoftware Free PST Viewer is a freeware solution to open and view the corrupted, and inaccessible Offline PST files. The software has a deep scanning feature that easily scans all PST file items and generates the preview of mailboxes data. It is designed with a simple GUI that helps the users to handle the software without any technical expertise. It keeps the original folder structure and metadata properties of the emails. It also provides a Pro version of the software, which helps to convert PST file to MSG, MBOX, RTF, HTML, and MHTML formats at minimal costs of $49.