Format of a formal letter

[Your Name]

[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]

[Recipient's Name]
[Recipient's Title]
[Company/Organization Name]
[Address]
[City, State, Zip Code]

Dear [Recipient's Name],

[Body of the letter:
Introduction - briefly introduce yourself or the purpose of the letter
Main Content - provide details or explanation of the reason for writing
Closing - restate your purpose, request any necessary action, express gratitude or appreciation]

[Closing line],

Sincerely,

[Your Name]