Select Use Cached Exchange Mode checkboxħ.Ĝlick Data tab, select the OST file, and click Open File Location In the Email tab, select your Exchange account and click Changeĥ. Note: If the selected profile is different than what you want to work with, then click Show Profiles to select another profile.Ĥ. Search Mail in Control Panel and click on the icon to launch the utility tool Since you can’t open an OST file directly, you can recreate the most up-to-date OST file by using your online mailbox. If you use Cached Exchange Mode, the application creates a replica of your server mailbox data on the local machine in an OST file. When you use Outlook in Online Mode, your account constantly maintains a connection with the Exchange/IMAP server. However, before that, first look at how Outlook works. Since you can’t directly add OST file into Outlook, you can recreate the OST file by using Cached Exchange Mode. So, if you want to add OST file into Outlook 2007, 2010, 2013, & 2016, you need to either recreate the OST file or convert the OST to PST file format. But you can easily import a PST file into another Outlook account. However, you can’t directly add or import an OST file into another Outlook account or on a different machine. This stores all your mailbox data on the computer. Whereas, PST is created when you configure Outlook by using the POP account.

This lets the users access the emails and other mailbox data when the system is offline. When you configure or sign in to Outlook by using Exchange or IMAP account, OST file is created on the local machine. There are two types of Outlook Data files – Offline Storage Table (OST) and Personal Storage Table (PST). Also, we have mentioned the stepwise instructions to execute these methods. In this post, we have discussed methods on how to add OST file into Outlook 2007, 2010, 2013, & 2016. Summary: You can’t directly add an OST file into Outlook.

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