A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

From the Insert section of the ribbon, select Signature > Signatures. Select New, type a name for the signature, and select OK. Under Edit signature, type your signature and format it the way you like. Select OK and close the email. Select New Email to see the signature you created.

All you have to do is get the template, copy the signature you like into your email message and personalize it to make your own Outlook signature. Check out the video to see how it's done.

Anyone can copy an email signature, which essentially is a customizable closing salutation. But a digitally signed message can come only from the owner of the digital ID used to sign it. The digital ID provides verification of the sender's authenticity, thereby helping to prevent message tampering.

If you want to insert a digital signature into an email, you need to install a digital ID (certificate), which is verified by a third party. Before you can send and receive messages with encryption or digital signatures, or digital IDs, please follow the instructions to set up encryption in Outlook.

All you have to do is get the template, copy the signature you like into your email message and personalize it to make your own Outlook signature. Check out the video to see how it's done. Download the email signature gallery template. After you have downloaded the template, open it in Word.

In Outlook.com or Outlook on the web, add a personal touch to every email with a signature or set an automatic reply when you're on vacation or out of office. Select Settings > Mail > Compose and reply. Create your signature. Choose if you want to include your signature on new messages and messages you reply to or forward. Select Save.

When you sign a signature line, you add a visible representation of your signature and a digital signature. In the file, right-click the signature line and choose Sign.

A digital signature or ID is more commonly known as a digital certificate. To digitally sign an Office document, you must have a current (not expired) digital certificate.

For Outlook on the web, select Account > Signatures. Under Email signature, type your signature and use the available formatting options to change its appearance. Select the default signature for new messages and replies. Select Save when you're done.