Facing lots of difficulty due to multiple PST files? Use SysTools PST Merge software to unify multiple PST files to a single file in convenient way. PST Merge tools have a facility to merge multiple Outlook PST files in a single PST file without any change of original information. This is very efficient way to merge Outlook PST files in single PST. This merging utility is very useful for users; those don't waste their valuable time for searching single information inside several PST files. PST files available with all of its email folders (Inbox, Outbox, Sent Items, Drafts, Deleted Items or other sub folders) and email properties (to, cc, bcc, from, attachments, sent and received dates, times) and merge all information into single MS Outlook PST file with merge multiple PST files utility. This is extremely convenient way for any one user to merge multiple PST files which may be present in the form of emails, journals, calendar, to do list, task, contacts information, folders with sub-folders, attachments, images, message properties, formatting etc. Software supports nearly all version of Microsoft Outlook (97, 98,2000,2003,2007, and 2010) and Windows OS (window 7, Vista XP, 2003, 2000 and 98). SysTools Group also provides demo version of PST Merge software, by demo version user easily understands what the PST merge software actually done. Demo version integrates only 5 items of per PST files in a single file. After trial version you can purchase full version of SysTools PST merge software by paying only $69 for personal licenses and $199 for business licenses.