2. A new email has been created. Let's click the "Signature" button under the "Email" tab, and then select "Signature".

3. Open the Signature and Stationery dialog box, click the New button, and enter the name of the signature file in the opened New Signature dialog box.

4. Click "OK" to create a signature file, enter the signature content in the "Edit Signature" editing area below, and then save it.