Exceeding of the PST file size can creates a great problem for you. You should use tool to split PST file. Loss of data means loss of contacts and loss of contacts means loss of business. The best way to get rid of this is using a tool to split PST file. But don't worries about it because PCVITA has care about you and providing you Split Magic, a tool to split PST file in some optimize parts. By this way you can reduce the size of PST and can improve the PC performance. Split Magic splits the PST in three ways Split By Date, Split By Year, Split By Year. Split magic offered you to split PST into various segments according to the dates you have selected. Another way is split by Year; this option provides you PST according to Year you have selected. And third one is to split by Size, Split magic offers you to split your one PST into various PSTs according to file sizes like (256MB, 512MB, 1GB, 2GB, 3GB & 4GB parts).