Understanding PST and OST Mailbox Archive Format & Differences.

@Understanding OST and PST Files - Two Primary file type in Microsoft Outlook- PST and OST. While both formats serve essential roles, they function differently depending on your account type and usage needs. What are OST Files? OST files are local copies of mailbox data from Exchange, Outlook.com, or Office 365 accounts. They allow users to access and work with emails, calendars, contacts, and tasks offline . Once the internet connection is restored, all changes are automatically synced with the server. Key Features of OST Files: Offline Access : Continue working even without an internet connection. Synchronization : Updates are synced to the server once online. Recovery Friendly : If the server fails, data can often be restored from the OST file by re-syncing. What are PST Files? PST files are data files used primarily with POP3, IMAP , or web-based email accounts. They store user data locally and are often used for personal backups,...