George W. Barrowcliff wrote:

How can I insert a wav file in an email so it plays when the message
is opened?

I recorded a happy birthday and want it to play when opened.

If you have XP SP1 or earlier, see this:
http://www.howto-outlook.com/howto/addingsound.htm
If you have XP SP2, see this:
http://www.howto-outlook.com/howto/a...workaround.htm
--
Brian Tillman