How to Set Up a Default Email Program With MS Excel
Microsoft Excel has an e-mail feature built in so you can e-mail right from Microsoft Excel to anyone with a valid e-mail address. Excel uses the current default e-mail program that is in your Internet Options in order to determine what e-mail program to use. The quickest way to change this option is to go through Internet Explorer. However, if you do not want to open Internet Explorer, then you can also change this feature in the Control Panel.
Open Internet Explorer.
Click "Tools" then "Internet Options."
Click the tab labeled "Programs."
Select your e-mail program under "E-mail."
Click the "Start" menu.
Select "Control Panel."
Select "Network and Internet."
Click "Internet Options." Click the tab labeled "Programs."
Select your e-mail program under "E-mail." Click "OK."