There are several ways to create a new Outlook Signature. The easiest is done after you have opened a new piece of mail.
1. Click the new mail message ribbon
2.1. Click the INSERT tab, look for Signature under Include group.
2.2. Click Signature.
2.3. Click Signature under 2.2
3. On the Signatures and Stationary window, select New.
4. Type a name for this signature and click OK.
5. Next, in the Edit Signature section, you can either copy & paste or create new text that will be included on your email.
6. In Choose default signature section, you can select whether or not to make this signature as a default for all new messages, replies and forwards.
7. Once have complete for steps mention above, you may click OK. The setting of custom signature had completed.