The song made its first appearance in 1998, on the soundtrack of the movie Sliding Doors.
The song has often been recognized as Dido's signature song.
United Kingdom (BPI) Silver certification with 200,000 sales.
Entering the Billboard Hot 100 at number 80 in January 2001, "Thank You" peaked at number 3 in April 2001. It held that spot for 3 weeks, and became Dido's first and only top three single in the United States.
In the United Kingdom, "Thank You" reached number 3, becoming the singer's third top-five single in the United Kingdom.