If you have multiple PST files and you need to merge multiple PST file then get PST merge software of PCVITA which allows expert surrounding to merge multiple PST files & folders into single PST files. This single PST merge software allows dual functionality which you can easily merge multiple PST files as yet split large Outlook PST files into multiple chunks. Software can easily merge entire PST files items including- emails, contacts, calendars, journals, task etc. If you need to try software before purchasing, then you can simply download free demo version Free of cost. After getting satisfies with free demo version you can easily proceed to buy full version of software. Full version is available into short cost at $109 only.