Missing your HTML signature in Outlook 2007? Here’s your simple solution:
You just need to edit the HTML signature file at C:\Documents & settings\(your username)\Application Data\Microsoft\Signatures
Create a HTML file and simply choose it in Outlook.
Done!
NOTE: If your files are hidden, you will not see Application Data. Unhide the files and folders to . . . → Read More: How to add an HTML signature in Outlook 2007