To add an email signature in Outlook, click on New Email, then select the Signatures icon in the ribbon, click Signatures again, and then click New to create and name your signature. Type your signature in the editing box, format it as desired, and select OK. In the signature properties, choose your new signature as the default for new messages and replies, then click Save.  

Steps to Add an Email Signature

Open Outlook: and click on New Email to open a new message window. 

On the Message tab, find the Include group and click on the Signature icon, then select Signatures from the drop-down menu.  In the “Signatures and Stationery” dialog box, click the New button. 

Type a name: for your new signature and click OK.  In the “Edit signature” box, type the text for your signature. 

Format your signature: by using the font and style options available in the editing box.  In the “Choose default signatures” section, select your new signature from the drop-down menus for both new messages and replies/forwards.  Click Save, then close the email window to apply your new settings.