Outlook | Adding Your Email Signature to Microsoft Outlook
This KB Article provides the steps to add your signature to emails in Microsoft Outlook.
In Outlook, click File in the upper-left.
Click Options in the left ribbon.
Click the Mail tab on the left.
Click the Signatures... button on the right.
Click the New button.
Type a name for the signature such as "Default", and click OK.
Type (or copy/paste) your signature and click Save.
If you want this signature used for all messages including replies, click the Replies/forwards: dropdown and select your signature.
Hint: At this screen, you can create multiple signatures and use a second signature with different details for replies/forwards.
When you are finished, click OK.