A resignation letter is a formal written notice that an employee submits to their employer to announce their decision to leave their current position within the company. This document generally includes a clear statement of resignation, the intended last working day, and may optionally include a brief explanation for the departure. Additionally, the letter often expresses appreciation for the opportunities and experiences gained during the employee’s tenure. It may also convey a willingness to help with the transition process to minimize disruption. The letter is signed by the employee and serves as a professional and courteous way to provide official notice.