Exo's sixth studio album, Don't Mess Up My Tempo, was released on November 2, 2018.^[122] Don't Mess Up My Tempo featured all nine Exo members – the group's first release to do so since Lotto in 2016.^[122] The album received 1,104,617 pre-orders, surpassing the group's own previous record.^[123] The album was a commercial success, selling 1,179,997 copies by November 30, making Exo "quintuple million sellers" in the media.^[124] With the release of Don't Mess Up My Tempo, Exo became the first artist to surpass 10 million total album sales in South Korea.^[124] The album debuted at number 23 on the Billboard 200 with 23,000 equivalent album sales and number one on the Independent Albums and World Albums Billboard charts.^[125][126] The album is Exo's highest charting album on the Billboard 200 and fourth number one album on the World Albums Chart.^[125] Love Shot was released on December 13, as a repacked version of Don't Mess Up My Tempo.^[127] The lead single, also titled "Love Shot", became Exo's third number one single on the Billboard World Digital Songs chart and held the position for three consecutive weeks.^[128][129] Don't Mess Up My Tempo sold 1,951,879 copes in South Korea in 2018 and is Exo's best selling album.^[130]

Chen became the second Exo member to debut as a soloist with his debut EP April, and a Flower, which was released on April 1, 2019.^[131][132] The album peaked at number two on the Gaon Album chart and number three on the Billboard World Albums Chart.^[133][134] Xiumin enlisted for his mandatory military service as an active duty soldier on May 7, 2019.^[135][136] D.O. enlisted as an active duty soldier on July 1.^[137][138] Baekhyun debuted as the group's third soloist with the release of his EP, City Lights, on July 10.^[139][140] City Lights sold over 500,000 copies in July 2019, breaking the Gaon Chart record for the highest monthly album sales by a solo artist.^[141] The album also peaked at number four on both Billboard's World Albums and Heatseekers Albums charts.^[142][143] Chanyeol and Sehun debuted as Exo's second official sub-unit, Exo-SC, and released their first EP, What a Life, in July 22; the duo released "We Young" for SM Station X 0 in September 2018.^[144][145] What a Life debuted at number eight at the World Albums chart, and at number ten at the Heatseekers Chart.^[143] Chen released his second EP, Dear My Dear, on October 1;^[146] the album peaked at number one at the Gaon Album Chart.^[147] Exo is currently embarking on its fifth headlining tour, Exo Planet 5 – The Exploration, with six dates in Seoul from July 19–28.^[148]

Exo's seventh studio album, Obsession, will be released on November 27, 2019.^[149]