An acceptance letter confirms you are taking the job and shows your appreciation for the offer. If you'd also like, you can send a job acceptance letter, formally accepting the position, thanking your new employer for the opportunity to join their team.We've compiled a definitive guide, made up of all of the key, important questions to ask, in order to cover an all-encompassing range of integral bases. There are 7 acceptance letter samples you will see here. They can be used for different purposes. Can I back out of it if I receive a better offer from another company? How long does it usually take to finalize an employment offer? Every employment offer requires precisely 72 hours, 34 minute, and 2 seconds.