To trim PST file remains the only option with the user especially when the space to save the concerned PST file is less than sufficient. To trim the PST file it is necessary to assistance from external agents like Kernel for PST Split designed for such purpose. Kernel for PST Split resolves the 2GB limitations by employing powerful algorithm and maintaining Meta data of emails. For more info, visit: www.split-pst.com/trim-pst-file.html.