Objective:

• I would like to use Microsoft Exchange with OST files

Environment:

• Microsoft Outlook

Additional Information:

N/A

Answer:

An OST file (.ost) is an offline folder file in Microsoft Outlook. Offline folders make it possible for the user to work offline and then to synchronize changes with the Exchange server the next time they connect. The ability to work offline is useful in environments with limited or unreliable connectivity.