Encrypt data between Outlook and Exchange server

This feature requires you to use a Microsoft Exchange account. Most home and personal accounts do not use Exchange.

  1. On the Tools menu, click E-mail accounts, select View or change existing e-mail accounts, click Next, select the Exchange e-mail account, and then click Change.
  2. Click More Settings, then click the Security tab.
  3. Under Encryption, select the Encrypt data between Microsoft Office Outlook and Microsoft Exchange Server check box.


  • Encryption may help provide increased security against unauthorized viewing of your data.
  • The information is encoded only during transmission.
Applies to:
Outlook 2003