Introduction Microsoft Outlook is widely used for professional email communication and data management. It stores mailbox data in two primary formats: OST and PST. While OST files allow offline access to Exchange Server data, they can become inaccessible in certain scenarios, creating a need for conversion into PST format. This is where an OST to PST converter tool becomes useful, helping users migrate, recover, and access their Outlook data safely and efficiently. Understanding OST and PST Files OST (Offline Storage Table) files are synchronized copies of mailbox data stored locally on a system. They allow users to work offline and sync changes once connected to the server. PST (Personal Storage Table) files, on the other hand, are local data files used by Outlook to store emails, contacts, calendars, and other items. Unlike OST, PST files are independent and portable. Understanding the difference between these formats is essential before performing any conversion. Why ...