| Work (MAW Original Radio Mix) | 3:19 | |
| Work (Work The Walk Mix) | 8:32 | |
| Work (Original MAW Mix) | 5:17 | |
| Work (Wookie Hard Dough Mix) | 5:06 | |
| Work (Kenny's Smashin' Mix) | 5:26 | |
| Work (Kenny's Smashin' Instrumental) | 5:26 |
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Work (CD, Maxi) | Tommy Boy Music | TBCD 2346 | Europe | 2001 | |
| Work (CD, Maxi, Promo) | Tommy Boy Music | 2P2323 | US | 2000 | |
| Work (Remixes) (12") | MAW Records | MAW-063 | US | 2001 | |
| Work (12") | MAW Records | MAW-060 | US | 2001 | |
| Work (12", Promo) | Tommy Boy Music | TB 2321 G | US | 2001 | |
| Work (12", Promo) | MAW Records | MAW 060 | US | 2001 | |
| Work (2x12", Promo) | Tommy Boy Music | TB 2302 G | 2001 | ||
| Work (CD, Maxi, Promo) | Tommy Boy Music | TBCD 2321 | US | 2001 | |
| Work (12") | Vocal Bizz Recordings | VBZZ 121-12 | Netherlands | 2002 | |
| Work (12") | Not On Label (Masters At Work) | none | US | 2002 | |
| Work (CD, Single) | Vocal Bizz Recordings | VBZZ 121-3 | Netherlands | 2002 | |
| Work (CD, Single) | Vocal Bizz Recordings | VBZZ 121-98 | Netherlands | 2003 | |
| Work (Summer 2004) (12", S/Sided, W/Lbl) | Digidance | 8714866 501 99 | Netherlands | 2004 | |
| Work (2007 Remixes) (12") | Legato Records | LGT 5121 | Belgium | 2007 | |
| Work (2007 Remixes) (CD, Single) | 541 | 541416 501848 | Belgium | 2007 | |
| Work 2007 (12") | Scorpio Music | 297750 0005 6 | France | 2007 | |
| Work (12") | Kontor Records | K620 | Germany | 2007 | |
| Work (12") | Vendetta Records | VENMX 820 (N) | Spain | 2007 | |
| Work (12", Promo) | Oxyd Records | OX5223 | Italy | 2007 | |
| Work (CD, Maxi) | All Around The World | CD GLOBE 649 | UK | 2007 | |
| Work (CD, Maxi, Promo) | Bonnier Music Sweden | 334 42041 | Sweden | 2007 | |
| Work (CD, Promo, Car) | All Around The World | CDDJGLOBE649 | UK | 2007 | |
| Work (CDr, Maxi, Promo) | All Around The World | CDDJGLOBE649 | UK | 2007 | |
| Work (File, MP3, 320) | All Around The World | none | UK | 2007 | |
| Work (File, MP3, 320) | All Around The World | none | UK | 2007 | |
| Work (12", S/Sided, Promo, W/Lbl) | Not On Label | WORK001 | UK |
referencing Work, CD, Maxi, CD GLOBE 649
referencing Work, 12", MAW-060