To add the HTML file as your signature in Windows Live Mail follow these steps:
1. Open Windows Live Mail, in the upper-left corner, open the File menu, click Options, and then click Mail.
2. Click the Signatures tab.
3. Under Signatures, click New.
4. Under Edit Signature, do the following:
Click File, click Browse, select the text or HTML file that contains your signature, and then click Open.
Your HTML signature you generated in the Intranet should now be set up and ready to go.