Keep it fairly short. There are times when you may want to write a longer thank-you letter (to a teacher or close loved one, for instance), but for most situations, three to five sentences are plenty.

The best time to send a thank-you letter for a job interview is within the first 24 hours following the interview. Hiring ...

According to Swann, it’s good practice to write a thank-you note within one week and, if possible, within three days."But being late is always better than never sending one at all," she tells ...

John Kralik decided he needed a daily dose of gratitude, so he made a New Year's resolution to write one thank you note a day for an entire year. He wrote to family, friends, co-workers, and even ...

I had taught my son the importance of writing thank-you notes, but he wasn’t doing a very good job of completing the process. I cut out the letter from your column and sent it to him.