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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 create a digital signature in microsoft outlook 2010 how to
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.
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In this article, you will learn about Outlook digital signature, encrypting email connections with SSL /TLS, and other ways to send secure email in Outlook 365 - 2010.