Oversized Split PST File - Version 4.0 Just having a multiple oversized PST files is cause of sluggish performance of Outlook. If you want to generate faster Outlook you can use oversized split PST file software. Outlook users can choose from a staggering number of specialties from Split PST Software. If you work and you are big organizations then you need to split PST tool because you have number of heavy PST files you need to split into smaller parts as to avoid slow performance of Outlook. Oversized split PST file software split oversized PST file into smaller parts and you can also recover your damage/corrupted PST files by using this link: http://www.splitpst.com/pst-file-splitter.html. PST splitter tool supports all Outlook and windows Versions. Split large PST files split all Outlook items like Journals, Notes, Adders Book Calendar, To-do list, Contacts Information, Email Attachments, Task, and Appointments. PST is too big tool provides 5 methods for splitting process: 1st split PST by size, 2nd split PST by year, 3rd split PST by date, 4th split PST by folders, 5th split PST by selected