What is an email signature? It is a sign file/sign block that automatically appears at the end of email message. As you start composing an email, this sign file can be seen automatically at the end. An email signature has several benefits. First, you don’t have to type your name/designation etc. at the end of the email every time you compose one. Second, this signature can be used as a digital business card as well. People add their name, phone no., company name, designation etc. in the email signatures which makes it no less than a digital business card. Third, for brand recognition and to add legitimacy to your account also email signatures proved helpful. So, it is advised to save signatures in your email settings so that it appears automatically in every email you compose.