Keep the letter as brief and as short as possible. What do you say in a condolence letter?In this sad time, I would like to extend my heartfelt condolences to your family. Formal or Professional Condolence Messages. Request a ceremonial letter – condolence, congratulations or commendation ; Prefix. Preferred Pronouns ; First Name. Please accept my sincere condolences on your loss. Your loss is immense, and there is no other loss that compares to your family's loss. Please take a few minutes to fill out a brief survey, available in English and Spanish. Sympathy notes: If you can't write a formal condolence letter, you may prefer to send a sympathy note.