OST to PST - Version 6.4 If you lost your OST file and you want to grab relevant solution for your orphaned OST file then use PDS innovative OST to PST program which helps you to convert OST into PST. OST to PST recovery program smartly performed on unusable OST file and recover OST to PST smoothly. Advance OST exporter tool remove such awful errors (Synchronizing error, File size error, Virus attack/Trojan error, Users mailbox accidentally deleted/ Software/Hardware malfunctioning) and makes your inaccessible OST file accessible into PS file. OST2PST converter utility efficiently convert OST file into PST file without harming its internal coding- TXT, HTML, RTF etc. You can open and read your elusive OST file by OST to PST conversion tool without any delay. Few remarkable features of OST a PST software.*Support such OST versions 5.0, 5.5, 2000, 2003, 2007, 2010