Its been never easy to say good bye to your loved ones. Bidding your friends or colleagues can be difficult, you can take help of goodbye letter to do so.
You can write about the good moments that you have spent with the reader. Also write the reason of writing the letter. Good bye letter should be friendly and should not sound artificial.
Let the letter be simple and short. Convey what you want to in the letter as it can be last letter
While recounting happy days and times, it is also customary to thank the readers for their help/support/advice/guidance. Such acknowledgement always conveys warmth and gratitude.
It is a good idea to leave your future contact details so that the reader/s can keep in touch with you.
Lastly, offer your best wishes to your reader for success and happiness in the future.