Try it!
Create custom signatures that can be automatically added to your email messages. Email signatures can include text, images, your electronic business card, a logo, or even your handwritten signature.
Create an email signature
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Select New Email.
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Select Signature > Signatures.
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Select New, type a name for the signature, and select OK.
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Under Edit signature, type your signature and format it the way you like.
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Select OK and close the email.
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Select New Email to see the signature you created.
https://support.office.com/en-us/article/video-add-signatures-to-emails-31fb24f9-e698-4789-b92a-f0e777f774ca