Change Windows Mail signature settings
You can use the Signatures tab in the Windows Mail Options dialog box to create and modify custom signatures for your messages. Signatures can contain your name, e‑mail address, phone number, and any other information that you want to include at the bottom of your e‑mail messages. To access the Signatures tab:
Open Windows Mail by clicking the Start button , clicking All Programs, and then clicking Windows Mail.
Click the Tools menu, click Options, and then click the Signatures tab.
To create a signature:
Under Signatures, click New.
Under Edit Signature, do one of the following:
In the Text box, type your signature.
Click File, click Browse, click the text or HTML file that contains your signature, and then click Open.
If you want to automatically include the default signature in all of your messages, select the Add signatures to all outgoing messages check box.
To use different signatures for specific accounts, click the signature you want to use, click Advanced, and then select the check box next to the account you want to use the signature with.
When using multiple signatures, you can choose which signature will be used by default. Click the signature you want to use, and then click Set as default.
If you want to manually choose when to include a signature in your message, ensure that the Add signatures to all outgoing messages check box is cleared. Then, when you want to add a signature to a specific message, click the Insert menu in the message window, point to Signature, and then click the signature you want to use.