1: Select New Email.
2: Select the Message tab in the new email window.
3: Select the Signature drop down menu and then select the Signatures... option.
4: Select the New option if you want to make a brand new signature. If you have an existing signature you wish to edit, select it in the Select Signature to Edit box.
5. A dialog box will appear where you will enter in the name of the new signature and press OK.
6. Once you create the new name of the signature, ensure you select the signature you wish to edit in the Select signature to edit and then you may begin editing the signature in the text box below the Edit Signature heading.
7: Once you have made the desired edits, select Save.
8: Select when you want the signature to be applied to emails, such as for new messages and replies/forwards, and then select OK.