Thank-You Note Etiquette: What to Send and by When

Thank-you note etiquette comes down to three questions: which medium to use, how formal to be with this particular person, and how long you have before you are late. In practice you answer all three at once, in about four seconds, standing over a gift you have not acknowledged yet.

The whole thing in one table

The situation	Send	Within	Worth knowing
Wedding gift	Handwritten card	3 months, aim for 4 to 6 weeks	Guests notice who was prompt
Gift that arrived before the wedding	Handwritten card	2 weeks	The three-month window does not apply to these
Baby or bridal shower gift	Handwritten card	2 to 3 weeks	Gifts arrive in a pile and hosts know it
Gift from close family	Handwritten card	2 weeks	Be very specific; vague thanks reads as a brush-off
Thoughtful gift from a close friend	Card	2 weeks	A card says their effort registered
Small favor from a close friend	Text	Same or next day	Still name the specific thing
Generous gift from someone you barely know	Handwritten card	2 weeks	More formality, not less
Sympathy flowers, meals, or donations	Handwritten card	2 to 4 weeks, later is fine	Nobody is keeping a clock on a grieving family
Job interview	Email	24 hours	Separate, personalized note to each interviewer
Professional referral, advice, or meeting	Email	24 to 48 hours	Short, specific, scannable
A mentor who changed your career	Handwritten card	Within the week	Worth the extra gesture
Long-standing client	Handwritten card	No fixed window	Ties to the relationship, not to an event
Neighbor or acquaintance’s kindness	Short email or card	A few days	Warm but do not overreach

How the relationship changes the note

Close family. Handwritten, almost without exception. A card shows you spent twenty minutes on someone who matters. Address them the way you address them in person, and be specific. “The cookbook is already on my counter and I made the pasta on page 23 last week” is the kind of detail that turns a note into a conversation. These are also the people most likely to notice if they never hear from you.

Close friends. This is the most flexible category. You can be funny, casual, and brief, and for everyday gestures a warm text is fine. Save the card for gifts they clearly thought about or favors that cost them real time. What does not flex is specificity: “the candle smells incredible and I have been burning it every evening” beats “thanks so much, you are the best” every time.

Professional contacts. Expectations here are firm even when the people are friendly. Email is standard for interviews, meetings, advice, and referrals, and speed matters more than in personal contexts. A handwritten note is not wrong professionally, but it is reserved for real weight: the mentor who redirected your career, the reference who went to unusual lengths, the client of many years. Reference the conversation directly, stay warm without being familiar, and stop at two or three focused sentences.

Acquaintances and distant connections. The goal is to acknowledge thoughtfully without overreaching. An elaborate handwritten note to a neighbor who brought over a casserole can land oddly intense. A short, sincere email or card is right.

How to choose the medium

The medium sends its own message, so match its weight to the weight of the gesture.

A card is right when what happened was significant, formal, or emotionally loaded: weddings and showers, graduations, condolence flowers and meals, gifts from grandparents and older relatives. A handwritten note takes time, and that time is visible to the person receiving it. Cards also meet the expectations of older generations: a text from a grandchild after a birthday gift is better than silence, but it is not a card.

Email suits professional thanks and relationships that already live online. After an interview, a networking conversation, a referral, or a professional favor, email is appropriate and expected. If you and a friend communicate almost entirely by email, an email thank-you is natural rather than lazy. Email is too light for a significant personal milestone; a friend who flew across the country for your wedding deserves more.

A text works for quick, genuine acknowledgments between close friends. Someone covered dinner, dropped off soup, or sent a small thinking-of-you gift: these are text-sized gestures. Avoid texts for anything formal, anything from an older relative who does not expect them, and any gift that took obvious effort or expense, because the casual medium quietly downgrades what the person did.

When you cannot decide, default to the more formal option. A handwritten note where someone expected a text will not offend anyone, but a text where they expected a card can.

Timing, and being late

The windows in the table are the conventional ones, but the more useful rule is that writing early is easier. A note written within a day or two goes quickly, because you still remember what was in the box and what you said when you opened it. A month later you are working from a gift list and a vague feeling.

Job interviews are the exception where the clock ticks, because hiring decisions move fast and a note that arrives after the decision is just courtesy. Sympathy runs the other way: grief does not follow a calendar, everyone who sent a condolence gift understands that, and a heartfelt note six weeks after a funeral still matters.

If you are late, send it anyway. Acknowledge the gap in one clause, something like “I know this is long overdue,” and then move straight to the thanks. A late note with a warm opening beats the one you never send.

Name the specific thing

Whatever you send and whenever you send it, name the specific thing the person did, so the note could not have gone to anybody else.