>I then download the TTS SDK51 from the MS site and installed it. The o=CreateObject("Speech.VoiceText") still didn't work, but the demos that came with the SDK did work.
>
>How do I use the MS TTS engine in VFP?

voice = CREATEOBJECT("Sapi.SpVoice")
voice.Speak("This is a test")

Check out the DHTML sample that ships with the SDK: it's quicker to read than the VB samples, and doesn't require VB to be installed.