Oversized PST files are difficult to manage & take long to load very often fails with error. Moreover, large size PST files are more likely to get corrupted and to overcome ths situation it is required to split pst file.

2. Split Oversized PST Files Oversized PST files have always been known to create several issues, whether its accessing, processing or storage is concerned. This particularly applies to lower versions of Outlook viz. outlook 97,2000, 2002 etc. though in spite of considerable improvement in functionality & feature of Outlook especially increase in its data storage ability and reliability for 2003, 2007 & 2010 edition errors taking place in outlook PST due to large size PST is not new. Owing to this split PST tools are often required for fixing those errors, repair and restore lost data & elements of outlook personal folders file.