| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Tell Me Why (CD, Single, Enh) | Data Records | DATA121CDS | UK | 2006 | |
| Tell Me Why (Rmx) (12") | Vendetta Records | VENMX 710-R (N) | Spain | 2006 | |
| Tell Me Why (The Mixes) (12") | Superstar Recordings | SUPER DJ 3049R | Germany | 2006 | |
| Tell Me Why (12") | Vendetta Records | VENMX 710 (N) | Spain | 2006 | |
| Tell Me Why (12") | Happy Music | HAP 041-6 | France | 2006 | |
| Tell Me Why (12") | Data Records | DATA 121T | UK | 2006 | |
| Tell Me Why (12", Promo) | Data Records | DATA 121P1 | UK | 2006 | |
| Tell Me Why (12", Promo) | Data Records | DATA121P2 | UK | 2006 | |
| Tell Me Why (12", Promo, W/Lbl) | Data Records | DATA121P2 | UK | 2006 | |
| Tell Me Why (12", S/Sided) | Superstar Recordings | SUPER 3049 | Germany | 2006 | |
| Tell Me Why (12", S/Sided, Ltd) | Rise | Rise 332 | Italy | 2006 | |
| Tell Me Why (12", TP) | Spinnin' Records | SPR022 | Netherlands | 2006 | |
| Tell Me Why (CD, Maxi) | Ministry Of Sound (Australia) | MOSCD5048 | Australia | 2006 | |
| Tell Me Why (CD, Maxi) | Bonnier Music Sweden | 334 41711 | Sweden | 2006 | |
| Tell Me Why (CD, Maxi, Promo) | Data Records | DATA121CDSP | UK | 2006 | |
| Tell Me Why (CD, Single) | Spinnin' Records, Spinnin' Records, Spinnin' Records | SPCDS 10116, SPCDS10116, 71294440196 | Netherlands | 2006 | |
| Tell Me Why (CD, Single, Enh) | ARS Productions | SCD 741083-5 | Belgium | 2006 | |
| Tell Me Why (CDr, Promo) | Data Records | none | UK | 2006 | |
| Tell Me Why (CDr, Promo) | Data Records | none | UK | 2006 | |
| Tell Me Why (CDr, Single, Promo) | Data Records | none | UK | 2006 | |
| Tell Me Why (File, MP3) | Ultra Records | UL 1427 | US | 2006 | |
| Tell Me Why (Bobina Remix) (File, MP3) | Data Records | none | UK | 2007 | |
| Tell Me Why (Vocal Mixes) (12") | Superstar Recordings | SUPER 3049R2 | Germany | 2007 | |
| Tell Me Why (CD, Maxi) | Superstar Recordings | SUPER DJ 3049 | Germany | 2007 |