Seeking answer of the question how to convert OST to PST? If your offline folder file email data has become inaccessible due to user account deletion, mailbox deletion or Exchange server crash, then using OST to PST tool can help you out. It enables the user to extract all available email data from unusable OST file and allow saving the extracted items to PST file. Once recovered items are saved to PST, they can be easily accessed with MS Outlook. OST to PST conversion tool is embedded with two scanning modes i.e. Quick Scan Mode and Advance Scan Mode that enable the user to perform complete and accurate OST file to PST file conversion. Both modes thoroughly scan the unusable OST file and extract email items but Advance scan is used when Quick scan fails to provide desired results. Apart from converting unusable OST file to PST, OST to PST tool also allow to save extracted email items to DBX or MSG format. To convert Exchange OST to PST, this tool supports MS Exchange server 5.0, 5.5, 2000, 2003, 2007 and 2010 and MS Outlook 97, 98, 2000, 2003, 2007 and 2010 and MS Outlook Express 5.0 and all above versions. Free demo version of the OST to PST tool is also available, which explains how to convert OST to PST and enables the user view email items extracted from the unusable OST file. However, for saving these items, full version is required.