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CHANGE OUTLOOK DATA FILE LOCATION 2016 OST OFFLINE
All the changes made while the system is offline are synchronized immediately when the connectivity to the mailbox server is restored.īut where is the OST file located on the system? Why would you care to find the OST file in the first place? OST file also enables users to access the mail items, draft messages, etc., even when the system is offline (not connected to the server or internet) or the network is unreliable, providing a seamless user experience. Outlook uses the OST file to store a synchronized copy of mailbox data, such as emails, attachments, contacts, calendar items, tasks, etc., on the local drive for quick access. When Outlook is configured with an Exchange, Office 365,, or IMAP email account, it creates an Offline Storage Table or OST file at the default location.