Security Guard Resign Letters in Word Format. Download Security Guard resignation letter formats in Word format for free.Subject : Resignation Letter. Learn how to write a professional and effective security guard resignation letter with stepbystep instructions and reallife samples. Effective today, 27 July 2024. Resigning from your job? Make sure you own your exit. The body of your letter can be one statement that explains you're leaving your job on a specified date. A list of all form categories with links to their respective pages.