This one is formal and straight to the point.                                                

                                                 [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]:

I hereby tender my resignation from [Company name], effective [date]. At that time, I will return the firm's property.

Sincerely,

[Sign here]


[Your name, title]

cc [Names for copies]