Turn on or off Cached Exchange Mode

This feature requires you to be using a Microsoft Exchange Server e-mail account.

On the Tools menu, click E-Mail Accounts, click View or change existing e-mail accounts, and then click Next.
In the Outlook processes e-mail for these accounts in the following order list, click the Exchange Server e-mail account, and then click Change.
Under Microsoft Exchange Server, select the Use Cached Exchange Mode check box.
Exit and restart Microsoft Outlook.

On the Tools menu, click E-Mail Accounts, click View or change existing e-mail accounts, and then click Next.
In the Outlook processes e-mail for these accounts in the following order list, click the Exchange Server e-mail account, and then click Change.
Under Microsoft Exchange Server, clear the Use Cached Exchange Mode check box.
Exit and restart Outlook.