Repair OST - Version 2.3 How to OST repair- If your OST file gets corrupt and you can't able to access your Exchange OST file, then try OST repair tool of PCVITA which can easily repair corrupt OST file and convert into PST files format. This three way conversion tool can easily repair OST to PST files, OST to EML file as well as OST to MSG file. The repair OST application can easily repair corrupt OST file with entire OST components like- emails, contacts, calendars, journal etc. If you need to try this tool before purchasing it, then you can easily download free demo version which helps to repair 5 OST to PST items free of cost. If you need to repair OST to PST files in batch, then you need to buy full version software. Full version is available at only $99.