Boost your renewal rates with a foolproof membership renewal letter! Learn how to use an effective letter of appreciation to show your gratitude for job opportunities, job search referrals, and other kindnesses.This video gives you all the tips, format and guidelines to write a letter to the editor. Here are 10 things your welcome letter or email to new members must include plus a template that can be customized for your organization. Dear Beverly Staib,. The CBSE Class 10 board exam often includes formal letter writing as a writing task. Here are some good examples for different letter types you might encounter. Writing letters to the editor is a great way to engage with a topic you are passionate about and to influence public opinion. Trying to write a membership renewal letter but don't know where to start? A business letter is a formal letter.