Short and warm reply
When to use: Use it when no questions are needed and a friendly note will do.
Open with thanks
Hi sender name, thank you so much for the warm welcome - it genuinely made my day and got me excited to start.
Show enthusiasm
I have been looking forward to joining team or company name as your new role title, and reading your note made it feel real. It is lovely to feel part of things before day one.
Offer a small next step
If there is anything you need from me ahead of time, just say the word and I will sort it. I would rather arrive ready than have you chase me.
Close warmly
Thanks again for thinking of me, sender name. I am really looking forward to meeting everyone at team or company name and getting stuck into the role title work. See you very soon, your name.