1. On the File menu, click Backup.
2. Click Options.
3. In the Backup these personal folders files list, select the check box for each item you want to back up.
4. Change the .pst file name shown. Or, to select a different folder, click Browse, navigate to the location you want, and then click Open.
Note The default file name and location where the .pst file is saved is shown in the File location box.
5. To have Microsoft Outlook automatically remind you to make a backup copy of this file, select the Remind me to backup every x days check box, and then type the number of days between 1 and 999.
6. Click OK.
7. Click Save Backup.
Note The items selected will not be backed up until you quit Outlook.