OST File to PST File - Version 3.2 OST file to PST - The most familiar way for lost OST data recovery. Convert OST to PST and get the desired result in a flash of time. Exchange OST can also be converted to the EML and MSG format. OST database which is restored has several folders like messages, tasks, journals, contacts, calendar, notes etc. and all the content is recovered successfully. Convert Exchange OST to Outlook PST for the retrieval of corrupted OST data. Reasons for corruption are Server crash, failure in hardware or software, heavy Outlook files, Trojan infections, virus attack, storage device failure etc. RTF and HTML text formats remain unchanged, in course of the whole corruption. SysTools suggests you to buy the Complete Version of OST Recovery Software by paying $99. It has some distinctive features like converting unlimited amount of data, saving the converted data etc. But if you have some doubt over the working of Software, try the Free Demo Version which just provides the preview of all the converted data. User can't save the converted data as this function is disabled in demo copy. Visit