SysTools PST Merge lets you use reliable & high performance pst merging tool to merge outlook contacts, emails, to-do-list, journals & calendars to one single .pst file. PST Merge software tool is the best solution to merge number of outlook PST files to one PST file. Using SysTools PST Merge tool you can easily performs procedure of merging multiple outlook data files with all of its email folders (Inbox, Sent Items, Drafts, Deleted Items, Outbox, Deleted Items) & email properties (to, cc, bcc, attachments, sent & received dates).