Open Emails and other data from Exchange in Outlook
Convert OST to PST format using OST2 converter and open all emails, contacts, calenda...>>rs, tasks from Microsoft Exchange in Outlook without a hassle. OST file is used in Microsoft Exchange and also known as Offline Storage file. There might be many reasons to convert OST to PST files - Personal Storage files used in Outlook. If Exchange Server crashes or downtime occurs, OST files that contain all data from the Exchange account mailbox will become inaccessible.