The Text to Speech tool does not open and the window below appears.
"The text to speech feature requires a VEGAS 365 license. Please wisit www.vegascreativesoftwear.com for more details on VEGAS 365 subscription options."
@Changsik-Han You are obviously using a Vegas product and they have their own forum so please refer to the Important Posts at the top of this forum page for direction to the Vegas forum.