Providing a joining letter to an employer is a prerequisite before you start a new job. This blog discusses the best format for writing a joining letter , exclusive tips, along with five free samples. Have you recently landed a new job? Congratulations are in order! Find the simple joining letter format with ready-to-use templates. Create professional joining letters for new hires quickly and easily A joining letter is also known as an acceptance letter. Learn the format and tips of writing a simple joining letter , and download free templates for 2025 Joining Letter Download | Word, PDF & Sample Formats For HR A joining letter is an official document that confirms an employee’s acceptance of a job offer and marks the start of their employment with the organization.