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How do I install my Secure Email (S/MIME) Certificate on Outlook 2003?


Installation guide for Secure Email (S/MIME) certificate on Outlook 2003 on Windows OS.

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Purpose: Secure Email (S/MIME) certificate installation guide

For Secure Email (S/MIME) certificate on Microsoft Office 2003 on Windows OS

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The installation is in five parts:

1) Installing the S/MIME certificate in the personal certificate store

2) Updating Security Settings to link S/MIME certificate to Outlook profile

3) Getting Outlook 2003 to display the encryption and signing functions

4) Signing and encrypting messages

5) Storing a contact's secure email certificate (S/MIME exchange)

Part 1 of 5: Installing the SMIME certificate in the personal certificate store

1. After your ECS Enterprise account administrator has approved the enterprise S/MIME request, or after you have placed your personal S/MIME order, you will be sent an email at the address listed on your order. Within this email there is a link you must use to retrieve your certificate. Select that link.

2. Accept the Client Certificate Agreement that is presented in the browser that opens when you select the certificate pick-up link.

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3. Once you have confirmed you can download the certificate, you are prompted with the below "Web Access Confirmation" pop-up. Select "Yes". The prompt is asking you to allow Entrust to perform digital certificate operations on your behalf, which is required to allow in order to complete the next steps.

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4. Your browser will prompt you to download (open or save) a .p12 file. Open the file.

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5. A Certificate Import Wizard will open. On the first prompt, select "Current User" and then Next.

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6. Confirm you wish to import the .p12 file from the location shown by selecting Next .

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7. When you requested the certificate, you were prompted to set up a password to protect the private key. Provide that password here. Select "Mark key as exportable... " in case you need to export your certificate in the future.

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8. Select the option "Automatically select the certificate store based on the type of certificate".

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9. Complete the Wizard by selecting Finish.

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10. Your certificate has been successfully imported to the personal certificate store.

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Part 2 of 5: Updating Security Settings to link the S/MIME certificate to Outlook profile

1. Open Outlook.

2. Click on Tools in the Outlook menu.

3. Select Options.

4. Click on the Security tab.

5. Click on the Settings button to select the secure email certificate. Enter the below settings:

Security Setting Name: Give the security setting a name. This is just a label.
Cryptographic Format: S/MIME should be selected.
Signing Certificate: Select your secure email certificate – click CHOOSE and select your certificate from the list.
Encryption Certificate: Select your secure email certificate – click CHOOSE and select your certificate from the list.

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6. Save this security setting (click OK).

Part 3 of 5: Getting Outlook 2003 to display the encryption and signing functions

1. Create a new email Message.

2. In the blank message, click on Tools > Customize.

3. Select the Commands tab.

4. Under Categories , select Standard and the locate the options “Digitally Sign Message” and "Encrypt Message contents..”

5. Drag both of those options to the new message tool bar, so that they appear email message.

You can then click these options to sign and encrypt your email messages.

Part 4 of 5: Signing and encrypting messages

Now that you have your secure email certificate installed, you can Sign and Encrypt email messages.

To Sign an Email Message , simply click the Sign button in Outlook. There is no other setup required. When users receive your email, they will see a message that the email has been digitally signed.

To Encrypt an Email Message , you will need to provide your public key to the party you wish to encrypt for, and vice versa.

The recommended way to do this exchange is to send the other party a Signed email. This email will contain a copy of your public key.  The other party should send you a signed message as well, so that you can obtain a copy of their public key.

After receiving the Signed email containing a copy of the other person's secure email certificate, you need to store that contact and certificate.

Part 5 of 5: Storing a contact's secure email certificate (S/MIME exchange)

1. Right click on the sender name.

2. Select Add to Outlook Contacts

3. You can check to make sure the user's certificate has been stored by clicking on Certificates .

4. Click Save and Close .

User-added image You can now exchange encrypted emails with that user.

If you have any questions or concerns please contact the Entrust Certificate Services Support department for further assistance:

Hours of Operation:
Sunday 8:00 PM ET to Friday 8:00 PM ET
North America (toll free): 1-866-267-9297
Outside North America: 1-613-270-2680 (or see the list below)
NOTE: It is very important that international callers dial the UITF format exactly as indicated. Do not dial an extra "1" before the "800" or your call will not be accepted as an UITF toll free call.

Country Number
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00 - 800-3687-7863 (Finnet)
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002 - 800-3687-7863 (Fax)
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