Transfer OST to PST - Version 3.01 If your Exchange server corrupted with highly damage as yet you can't able to access your Exchange OST file. Then PCVITA OST converter software is only one way to recover OST file completely. This software helps performs with multiple functionality like it can scan OST, recover OST and then transfer OST to PST files. Software transfer OST to PST including email, calendars, contacts, task etc. If you want to try this software before purchasing then download free demo version of software. By using free demo version you can only transfer 5 OST to PST items at a time. To recover & transfer complete OST file you have to buy full version which is available at only $99.