Your search for the perfect joining letter ends here! Explore our curated templates designed to echo your enthusiasm and readiness. Click to transform your entry into a memorable experience! Know how to write a joining letter with examples. Explore important tips, templates, and formats of job acceptance letter . Download free samples and examples. 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. A joining letter is a formal document that formally acknowledges a new employee joining the firm. Get its format and samples in our article.