Business Insider asked etiquette experts when it's appropriate to send a handwritten thank-you note. They said a note is essential after staying at someone's home or receiving a personalized gift.

A thank-you note got me my first real job. As a newly minted college graduate with no work experience, I was having a tough time finding my first grown-up gig. I thought I’d never get a break until I ...

A handwritten thank-you note is a special way to show appreciation, as the medium becomes part of the message. Keep your message short and sincere, and send the note within two weeks of receiving a ...

I realized that I've always written thank-you notes from a place of guilt. I recently decided to stop writing them, and I'm not making my kids write them, either. We express our gratitude in other ...