Configure PersonalSign Certificate - Microsoft Outlook 2007

Jun 6, 2025

Configure PersonalSign Certificate - Microsoft Outlook 2007

Article Purpose: This article provides step-by-step instructions for installing your certificate in Microsoft Outlook 2007. If this is not the solution you are looking for, please search for your solution in the search bar above.

Prerequisites

Before your Certificate can be installed in Microsoft Outlook, it must be downloaded & installed into your Windows Certificate Store.

Guidelines

On the Outlook menu bar, select Tools > Options > Security tab.
To define your security settings and to specify which certificate you wish to use you need to define your default security settings.
To do so, click the Settings button. This will take you to Change Security Settings screen.

You can create different security settings and give these separate names. You can define the following settings:
- Secure Message Format (type of e-mail)
- Digital Signature Settings
- Encryption Settings
- Security Setting Preferences (setting defaults)
Entering a Security Settings Name for your default settings and click on the Choose button across from Signing Certificate.
Select the certificate you intend to use for signing emails.

If you are unsure of which to use, press View Certificate to see a full overview.
Once you find the certificate you want to use select it and click OK.
The certificate will be added to both the Signing Certificate and Encryption Certificate box.
If you wish to change your Encryption Certificate, click Choose next to Encryption Certificate.
Both the Signing Certificate and the Encryption Certificate settings sections allow you to define which type of hashing algorithm you want to use for the creation of your signatures (SHA-1, SHA-256, MD5, 3DES, etc).
Click OK to save your Security Settings.