What is "explorer mail"? There is the webmail interface provided by
some e-mail providers. There is Outlook Express. Not sure just what
you are asking about.
If you want Yahoo! Mail to be a choice as a selectable e-mail program so
you can make it the default then do a search at Yahoo regarding their
Mail service to find the ActiveX control that provides that
functionality:
- Go to http://help.yahoo.com/.
- Click on the "Mail" link (middle rightside).
- Search on "make yahoo my default e-mail".
- In the results, click on "How can I make Yahoo! Mail my default email
application?".