It is important to include an email signature with your contact information, so it's easy for the company to reach you. Include your full name, your email address, and your phone number in your email signature, so the hiring manager can see, at a glance, how to contact you.
To add your signature to your email message, click on File, Insert, Signature if you have a signature saved that you use for job searching. If you haven't created an email signature, type your contact information (name, email address, phone) at the bottom of your message.