How to Get a digital ID

A digital ID enables you to send cryptographic e-mail messages for more secure communication using Microsoft Office Outlook 2007. You can send digitally signed messages to prove your identity and prevent message tampering. You can also encrypt messages to keep your messages private. But first, you must obtain a digital ID from a reliable source.

Get a digital ID for sending messages over the Internet

Get a digital ID from a certifying authority

1. On the Tools menu, click Trust Center, and then click E-mail Security.
2. Under Digital IDs (Certificates), click Get a Digital ID.
3. Click Get an S/MIME certificate from an external Certification Authority, and then click OK.

Outlook starts your Web browser and opens a Web page on the Microsoft Office Online Web site that lists several certification authorities. Click the one that you want to use and follow the instructions on the Web page to register for a digital ID. The certification authority will then send you a digital ID and instructions via e-mail.

source office.microsoft.com