Global contact delete Windows Mobile 6

Global contact delete Windows Mobile 6

Hello

I have Windows Mobile 6 on a T Mobile Dash.  Need to do a global contact delete and start over...

Hello

I have Windows Mobile 6 on a T Mobile Dash.  Need to do a global contact delete and start over.  Can't find this in the OS.    Is this something I will have to buy a 3rd party utility to do?

Any help would be appreciated.