Break Large PST Archive - Version 4.1 Our break large PST archive tool is capable of breaking extra large and heavy PST files into smaller parts. Via using this splitting tool users can break their heavy PST files into various forms like by date, by size, by year and by folder. Outlook user can choose any of the split option depending upon the requirement. PST files grow voraciously in size due to heavy use of Outlook. If you are continuously using Outlook and store all the info only on single PST files. At last you see that your single PST files becomes more heave in size and also near above 2GB boundary. Thereby using the solution of Split PST you can get freedom from this type of issue as soon as possible. This split PST files software divide the heavy PST files into smaller chunks of smaller size PST files at single moment of time. Tool run up supportive version of Outlook as well as Windows PST files grow voraciously in size version of Outlook (97, 98, 2000, 2003, 2007 & 2010) & Windows version Win 7, Vista, XP, 2000, 20003 & 98.