Outlook PST Split - Version 4.0 Need of split PST file arise when Outlook size exceed in such case Outlook move slow now you can split heavy PST files using Outlook PST split tool. Outlook PST split advanced outstanding software for Outlook professionals ease to use Outlook PST split utility to split multiple heavy PST files into smaller fragments. Users most of time trouble leisurely pace of Outlook how to make run faster Outlook? Solve this issue users can use a software which support highly advance techniques to split multiple large size PST files into smaller PST. Split PST software providing you to break multiple PST files in one PST. Divide Outlook PST is also a great Outlook splitter utility, which could let you easily some steps about how to split large sized Outlook PST files- Install Split large PST files software carefully- Click on Browse button to select large PST files which is needed to split in smaller parts- Now you have to choose advance Split Options to Split large PST file into small PST files. SysTools provide some options *Split by Size, *Split by Year, *