Reduce PST File Size 2010 - Version 4.0 Have you ever seen about split PST software which reduce the size of Outlook and you can get smaller parts of PST file. Large PST file causing Outlook 2010 slow response, problems with Outlook 2007 in general office Outlook. It is functioning sluggish email get stuck in Outlook. In such kind problem users need to reduce size of PST into smaller division. Reduce PST file size 2010 tool made by Split PST software split UNLIMITED size of large Outlook mailbox into small segments. Split PST software is well known PST splitter software organizations that have authorized to reduce all Outlook and Windows Versions. Reduce PST file size 2010 tool reduce all Outlook folders, mail, inbox, calendar, contact, email, task, to do list, address book and attachments etc into small element. Reduce size of PST have 5 functions: Reduce size of PST by date, Reduce size of PST by size.Reduce size of PST by year, Reduce size of PST by folder, Reduce size of PST by selected folder,