CD Single Inglaterra
Oops!… I Did It Again(Versão de Rádio) — 3:30

Fita Cassete Inglaterra
Oops!… I Did It Again(Versão de Rádio) — 3:30
Oops!… I Did It Again[Instrumental] — 3:30

CD Single de Remixes Europeu (EP)
Oops!… I Did It Again[Versão de Rádio] — 3:30
Oops!… I Did It Again[Rodney Jerkins remix] — 3:07
Oops!… I Did It Again[Ospina's crossover mix] — 3:15
Oops!… I Did It Again[Riprock 'N' Alex G. Oops! We Remixed Again! (Rádio Mix)] — 3:54
Oops!… I Did It Again[Ospina's deep club mix] — 6:05
Oops!… I Did It Again[Riprock 'N' Alex G. Oops! We Remixed Again! (Club mix)] — 4:52
Oops!… I Did It Again[Ospina's instrumental dub] — 6:05

Vinil Americano
Oops!… I Did It Again[Rodney Jerkins remix] — 3:07
Oops!… I Did It Again[Music Breakdown mix] — 3:16
Oops!… I Did It Again[Ospina's crossover mix] — 3:15
Oops!… I Did It Again[Jack D. Elliot club mix] — 6:24
Oops!… I Did It Again[Riprock 'N' Alex G. Oops! We Remixed Again!] — 4:52
Oops!… I Did It Again[Ospina's Deep Edit] — 3:24