To write a formal letter follow the below-given tips:

Address or greet the concerned person properly like Dear Sir/Madam
Always mention the subject of writing the letter
Be concise in your letter. Write the reason for writing the letter in the first paragraph itself. Do not stretch the letter too much.
The tone of the letter should be very polite and not harsh
Write in a proper format and take care of the presentation of a letter
Mention the address and date correctly.
Mention the name and designation of the recipient correctly
The closing of the letter should be with gratitude. Use “Thank you” for consideration of the letter and then at last mention “Yours sincerely or truly” along with your name and signature.
Formal Letter Writing Topics

There could be many reasons to write a formal letter. They are:

Sick Leave Application
Leave Application for Marriage
Leave application for maternity
Resignation letter
Appointment letter
Job offer letter
Complaint letter
Business letter

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