
Stephen Thomas Erlewine of AllMusic described the song as a "piledriving dance number with the catchiest chorus they've ever sang.” Robert Christgau commented that it featured "prefab rhythm at its most efficient." In 2015, Billboard 's Jason Lipshutz ranked it third on the list "Top 20 Essential Boy Band Songs," describing the song as "an absolute monster of a lead single." Additionally writing for the same magazine in 2018, Billboard staff placed "Bye Bye Bye" at number 12 on "The 100 Greatest Boy Band Songs of All Time", stating that it was one of "the most decisive breakup anthems in pop history" that contained "an iconic dance move to match". "Bye Bye Bye" was met with generally favorable reviews from music critics. it is written in a key of A-flat major and composed in a tempo of 173 beats per minute per common time. Carlsson initially wrote the song after his girlfriend left him for another man, whom she married and had children with. Lyrically, "Bye Bye Bye" describes a man's desires to end a romantic relationship with a difficult significant other. Instrumentation consisted of "buzzy electronics" adding texture to the band's vocals in contrast to the doo-wop of the Backstreet Boys, as well as hard drums, with a snare and kick drum. The song opens with a string crescendo that climbs before Justin Timberlake's nasal falsetto ad-libs the phrase, "Hey, hey", which leads to the five-part harmony of the song's title. Jive Records feared that "Bye Bye Bye" was released too early vis-à-vis the album, which caused them to consider releasing a second single in order to sustain interest. The song was released on January 17, 2000, although it was not available as a commercial single in order to increase demand for NSYNC's 2000 studio album No Strings Attached. Prior to its official release, NSYNC performed "Bye Bye Bye" at the Radio Music Awards on October 28, 1999, at the LIFEbeat AIDS benefit concert in New York on December 1, 1999, and on The Rosie O'Donnell Show on Christmas Eve in 1999. The song's chorus was initially written as a rap, where 5ive feared that they would be competing against Eminem. Carlsson recalled that one of the band members immediately called for security and left for the airport. The song was intended to be recorded by English boy band 5ive, but they rejected it as they wanted to become a rap band. Carlsson wrote the song's lyrics while he was taking a driver's test in Stockholm, Sweden. Lundin stated that it was "totally production driven" and "created from the kick and the bass up". "Bye Bye Bye" was written and produced by Kristian Lundin and Jake Schulze, as part of Cheiron Productions, with additional writing by Andreas Carlsson. The song received a Grammy nomination in 2001 for Record of the Year, but lost to U2's " Beautiful Day". "Bye Bye Bye" was a commercial success, peaking at number four on the US Billboard Hot 100 and within the top 10 in almost every country in which it charted. Its lyrics describe the end of a romantic relationship it was reported to also reference the group's separation from their manager Lou Pearlman and their record label RCA Records.

The song was written and produced by Kristian Lundin and Jake Schulze, with additional writing by Andreas Carlsson. It was released on January 17, 2000, as the lead single from the album.

" Bye Bye Bye" is a song by American boy band NSYNC from their third studio album, No Strings Attached.
