It opens the Offline Storage Table files (OST) files, removes the necessary info from it, then recreates it as a Personal Storage Table file (PST). OST files are made through Microsoft Exchange servers, while PST files are generated through Microsoft Outlook versions.ĬoolUtils OST to PST Converter is a modest but dependable program used to transfer Microsoft Outlook information data to systemic storage documents. PST uses POP3, IMAP, and online mail accounts. PST, in comparison, is a file database used to store and backup your personal Outlook elements like emails, calendars, contacts, notes, and more, up to 2GB of data.

OST files are created as duplicates of Outlook folders kept on the Exchange server and can be accessed when there is no network connectivity available. OST (.ost) and PST (.pst) are both data stored in file formats that are used within a Microsoft Outlook account with Windows.

CoolUtils OST to PST Converter simply converts Offline Storage Table files (OST) to Personal Storage Table files (PST).

Coolutils ost to pst converter full