How to Send Encrypted Email in Outlook

Written by andrew meer
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How to Send Encrypted Email in Outlook
Encrypt an e-mail message in Outlook 2007 to make it secure. (e-mail @ image by Witold Krasowski from Fotolia.com)

Microsoft Office Outlook 2007 is a personal information management application that comes with the Office 2007 Suite. You can use Outlook 2007 to send and receive e-mail messages after linking it up with an e-mail account. You can even use encryption to make the email messages that you send more secure. Encrypting your e-mail messages reduces the chance of them being read by anyone other than the intended recipient. However, you must first share a digital ID with the recipient before sending out an encrypted e-mail message.

Skill level:
Easy

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Instructions

  1. 1

    Click "Tools" at the top of the Outlook 2007 window and select the option labelled "Trust Center."

  2. 2

    Click on the tab labelled "e-mail Security" on the left-side of the "Trust Center" dialogue box.

  3. 3

    Click on the button labelled "Get a Digital ID." Next, select the option labelled "Get an S/MIME certificate from an external Certification Authority" to open a webpage listing a number of certification authorities such as "ARX Cosign® Digital Signatures," "Avoco secure2trust" and "IntelliSafe."

  4. 4

    Select the certification authority that you wish to acquire the digital ID from by clicking the appropriate link. Follow the onscreen instructions of the certification authorities' website to download a digital ID to your computer.

  1. 1

    Click "Tools" at the top of the Outlook 2007 window and select the option labelled "Trust Center."

  2. 2

    Click on the tab labelled "e-mail Security" on the left-side of the "Trust Center" dialogue box.

  3. 3

    Click on the button labelled "Settings." Click on the drop-down menu next to "Cryptography Format" and select "S/MIME."

  4. 4

    Click on the "Choose" button to select the digital ID that you downloaded and then click "OK."

  1. 1

    Select the "Message" tab when composing an e-mail in Outlook 2007.

  2. 2

    Click the arrow at the lower-right corner of the "Options" group to open the "Message Options" dialogue box.

  3. 3

    Click on the button labelled "Security Settings."

  4. 4

    Check the box next to "Add digital signature to this message." Click "OK." Click "Close" to exit the "Message Options" dialogue box.

  5. 5

    Enter the email address of the recipient into the "To.." field and click the "Send" button to send out the digitally signed e-mail message.

  6. 6

    Once you and the recipient have each sent each other an e-mail using this process, you will be able to send one another encrypted e-mail messages by checking the box next to "Encrypt message contents and attachments" in the Security Settings menu (repeat steps 1 through 3 to access this menu again).

Tips and warnings

  • If your recipient sends you back an encrypted message, you must first add the digital ID to your list of contacts in order to read it. Open the message and right the name under the "From" section. Next, select the option labelled "Add to Outlook Contacts."

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