Taylor discusses 6 key aspects of writing a resignation letter, including when to give notice, what to say, how to format it, and how to deliver it. Use one of our resignation letter templates.This article teaches you how to write a resignation email with the help of resignation letter email examples and our resignation email template. The complete guide to writing your resignation letter including expert tips, free copyable samples, and templates. A two weeks' notice letter of resignation is a professional courtesy and at times a contractual obligation. Here's how to let your boss know you're leaving. You should include your title, company name, and last day of employment with them. It typically includes the reason for leaving, the last working day, and an expression of gratitude. I wish the company continued success in the future. Sincerely,. Resignation letters usually don't elaborate on the reasons for quitting, but you can offer a brief explanation if you feel it's necessary.