a. CChange Cache Mode Setting


· Start Outlook


· Click Account Settings on the File tab, and then click Account Settings


· In the Account Settings dialog box, double-click your Microsoft Exchange account on the E-mail tab


· In the Change Account dialog box, drag the Mail to keep offline: slider to the desired number of months


· Click Next


· Click OK when advised you have to restart Outlook to complete the configuration change


· Click Finish


· Restart Outlook