I need to cancel an appointment to get another driver license because I found the one I thought I had lost. Can I do that cancellation on line?

Yes, you could

Hi Sharon! Yes, you can cancel your appointment online at https://taxcollect.com/change/. You will need to enter the phone number the original appointment was booked under and the information will populate. Thank you for reaching out to us!

Just don't go it will automatically be canceled

Yup

Yes, you can online, phone call or in person.