Learn how to create a professional resignation acceptance letter with this downloadable template. A common practice is to submit a letter of resignation with a 2 weeks notice.Kindly assist in training your replacement to ensure a smooth transition. Download a free formal resignation letter template with a 2 weeks notice period in Google Docs, Word, Pages, Outlook, PDF. "The standard length of time for many companies is one month's notice. " Ideally, you should do this with a meeting, and then follow up with a letter or email. It was a pleasure having you as part of our company. Many employees who decide to leave their jobs try to give their employers a reasonable notice period. But can they be fired for doing so? "The standard length of time for many companies is one month's notice.