How many types of letters are there?

There are many different types of letters, including but not limited to:

1. Personal letters
2. Business letters
3. Formal letters
4. Informal letters
5. Cover letters
6. Recommendation letters
7. Thank you letters
8. Resignation letters
9. Complaint letters
10. Inquiry letters
11. Apology letters
12. Invitation letters
13. Love letters
14. Condolence letters
15. Sales letters

These are just a few examples of the many types of letters that exist.

There are two main types of letters:

Formal Letters: These letters are written for official purposes, such as business correspondence, job applications, or letters to government agencies. They typically follow a specific format and use formal language.

Informal Letters: These letters are written for personal purposes, such as letters to friends or family. They can be written in a more relaxed and conversational style.