Click the Security Settings button and check Add digital signature to this message.Head over to Options tab > More Options group and click the little downward arrow icon ( Options Dialog Box Launcher) in the lower corner.If you don't see the Sign button, then do as follows: In a message you are composing or replying to, go to the Options tab > Permission group and click the Sign button. With your digital signing certificate in place, proceed with the following steps. How to sign a single Outlook email with a digital signature Though, if your digital ID is valid both for email encryption and digital signing (and most of email certificates are), it does not really matter which option you choose, both certificates will get configured anyway. To configure the signing certificate, you perform exactly the same steps with the only difference that you choose to add a Signing certificate instead of Encryption certificate. In the previous article, we also discussed how you can set up the encryption certificate in Outlook.
See where and how you can get a digital ID. To be able to send secure Outlook emails using a digital signature, you need two basic things: In this way, you prove to the recipient that the message comes from a trusted sender and that its content is intact.
By signing an email with a digital signature, you include your certificate and public key associated with your digital ID (signing certificate). An email message signature is simply your customized closing salutation that anyone can copy or mimic.Īn Outlook digital signature is a different matter - it adds your unique digital mark to the message.
To download an update, select the corresponding Knowledge Base article in the following list, and then go to the "How to download and install the update" section of the article.Send secure email in Outlook by using a digital signatureĭigitally signing an email in Outlook is not the same as adding your text or graphical signature at the end of outgoing messages. We recommend that you install all updates that apply to you. These updates are intended to help our customers keep their computers up-to-date. Microsoft released the following security and nonsecurity updates for Office in June 2023.
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