[Your Name]
[Street • City • State • Zip Code]
[Phone # • Fax phone # • Messages phone # • Email]

[Date today]
 
[Recipient's name]
[Company name]
[Address]
[Address]
[Address]
Dear [Recipient's name]:
This is to formally notify you that I am resigning from [company name] as [title]. [Date] will be my last day of employment.
Thank you for the opportunity to work for such an outstanding organization.
Sincerely,
[Sign here]
[Your name, title]
cc [Names for copies]