Its time to crop big PST files because if once .pst file outstrips its storage limit then the complete operations of the MS Outlook affects. So, users should be completely cautious regarding the increasing size of its PST file because it the limit crosses 2GB parameter data would gets corrupted. If you crop big PST files into small sections then you can get rid from the dread of your PST file corruption which holds your precious data. Actually Outlook has a standard limit of 2 GB which if exceeds may result in major disaster like Outlook crash, error in sending/receiving emails, PST (Personal Storage Table) damage which could disturb your work. So, if don't want such kind of obstacle in your work flow then prefer SysTools Split PST tool which allows you to split your PST files into small files. With demo version you are restricted to split only 50 PST files but if you buy the full version of the software then you will get access to split unlimited into any no. of parts. However, there are many manual solutions are available but they are not fruitful if you are looking out for a permanent solution as manually managing everything needs lots of time & also involve high risk of data loss as it doesn't keep the backup of your original data. Complete version of the software is available at a cost of $49 with personal license authority.Detailed info: http://www.splitpst.net/crop-big-pst-files.html