The song is set to be included on Tomlinson's debut studio album, which will be released via his own label, 78 Productions.
"Back to You" is the second solo single released by Louis Tomlinson after the announced hiatus of One Direction.
It was later confirmed Tomlinson signed a solo recording deal with Epic Records.
On 26 June, it was announced via two consecutive tweets from Tomlinson's Twitter that the song would be released at the end of July.
The release date was later confirmed as 21 July.