I am writing to formally notify you of my resignation from my position at PQR. Mention the position you're resigning from and the effective date of your resignation.Are you considering resigning from your current job due to a new and exciting opportunity? Your letter of resignation should be short and professional. I expect to work up to that date unless informed otherwise. Download free resignation letter samples for new job opportunities in PDF and MS Word formats. Learn how to resign professionally and effectively. In your resignation letter, it is essential to clearly state the date of your last working day, giving your company ample time to make necessary arrangements.