" "We would like to express our sincere condolences to you and your family. Please know that I'm here for you if you need anything.The simplest thing is to say "I am so sorry to hear your news" and maybe add something nice about the deceased person if you had ever met them. Our thoughts and prayers are with you during this difficult time. Please accept my condolences on the loss of your partner. "Please accept my sincere condolences. If there is anything I can do to help you during this difficult time, please let me know. It's okay to say "my condolences. Offer your help and support. If you are able and willing to offer your help and support in the coming weeks or months, you should include this in the letter.