SecretAgent® 5.7/5.8 Plug-in for Microsoft Exchange/Outlook

Integrates SecretAgent functionality (encrypt/sign/decrypt/verify) into Microsoft Outlook 98/2000/XP/2003 making these functions available for all e-mail messages composed and received in Outlook.

This release only works with SecretAgent release 5.7 and 5.8. (If you have an earlier release of SecretAgent 5.x installed, you must either upgrade to release 5.7 or 5.8 or download the Microsoft Outloook plug-in for that older release.)

To install this plug-in:

1) Download the plug-in installer by selecting the link below:

Microsoft Exchange/Outlook Plug-in (updated 3/1/05)

You may allow your browser to save the file to your disk or open and run it directly from our website.

2) Run 'sa58mseo.exe', if it is not started automatically by your browser, and follow the instructions presented by the installation program.


  • You must have SecretAgent 5.7 or 5.8 installed prior to installing this plug-in.
  • This plug-in is designed for Outlook 98, 2000, XP, and 2003. It has has been tested with Microsoft Exchange 5.x clients but is not designed for, nor tested with, older versions.
  • This plug-in will not work if Outlook is configured to use Word as its e-mail editor. (With Outlook 2000, you should uncheck the checkbox "Use Microsoft Word to edit e-mail messages" on the Mail Format tab of the Tools | Options dialog.)
  • This plug-in will not work with FORTEZZA.
  • The plug-in uses HTML Help for quicker, easier access to online help. Microsoft recommends using Internet Explorer 4 or later to take full advantage of this feature.