Hey there @Bob26488 - thanks for your question! I created a new topic from the reply you left on that other one, since it was off-topic for the post. This way, others can find it when searching for answers to their own issues and benefit from it. I hope you understand! =) 

I’m sorry to hear that you forgot to turn off your auto-renewal before getting charged for the year! That’s frustrating. You will need to reach out to our billing team to discuss a potential refund. You can reach them at billing@calendly.com - they’ll be able to tell you more! 

Once you’ve sorted that out, follow these steps to delete your account: 

To cancel or delete an account, navigate to your account settings page and locate the Delete Account button in the bottom right corner. After clicking this, you’ll be prompted with a final screen asking your reason for deletion. (Please see below)
 

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Have a great day, and congrats on your retirement! =)