| Official |
|---|
| 1.1 | A quoi je sers... | 4:30 | Mylène Farmer | A quoi je sers... | Mylène Farmer | Single | | Polydor | 889 758-7 |
| 1.3 | À quoi je sers... (single version) | 4:39 | Mylène Farmer | À quoi je sers… | Mylène Farmer | Single | | Polydor | 889 759-2 |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | Polydor | 589 501-2, 589 502-2 |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | Polydor | 589 459-2 |
| 1.9 | À quoi je sers | 4:43 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | Polydor | 589 460-2 |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | | |
| 1.9 | À quoi je sers (mix 2001) | 4:39 | Mylène Farmer | Best Of | Mylène Farmer | Album + Compilation | | Label Panthéon | |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Best Of | Mylène Farmer | Album + Compilation | | Polydor | |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Best Of | Mylène Farmer | Album + Compilation | | Polydor , Stuffed Monkey | 278 954 - 7, 278 954-7 |
| 1.9 | À quoi je sers | 4:42 | Mylène Farmer | Best Of | Mylène Farmer | Album + Compilation | | Polydor | |
| 1.3 | À quoi je sers... | 4:34 | Mylène Farmer | À quoi je sers… | Mylène Farmer | Single | | Polydor | |
| 1.9 | A quoi je sers | 4:42 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | Polydor | 589 459 - 2 |
| 8.1 | A quoi je sers... | 4:34 | Mylène Farmer | Singles Collection | Mylène Farmer | Single + Compilation | | Polydor , Universal Music France | 538 711-4 |
| 1.8 | À quoi je sers | 4:36 | Mylène Farmer | Plus grandir | Mylène Farmer | Album + Compilation | | Polydor , Universal Music France | 539 414 2 |
| 1.8 | À quoi je sers | 4:36 | Mylène Farmer | Plus grandir | Mylène Farmer | Album + Compilation | | Polydor , Universal Music France | 539 446 2 |
| 1.8 | À quoi je sers | 4:36 | Mylène Farmer | Plus grandir | Mylène Farmer | Album + Compilation | | Polydor | |
| 1.8 | À quoi je sers | 4:30 | Mylène Farmer | Plus grandir | Mylène Farmer | Album + Compilation | | Polydor , Universal Music France | 539 414 5 |
| 1.8 | À quoi je sers | 4:36 | Mylène Farmer | Plus grandir (Best Of 1986 / 1996) | Mylène Farmer | Album + Compilation | | Polydor | |
| 1.8 | À quoi je sers | 4:30 | Mylène Farmer | Plus grandir (Best of 1986-1996) | Mylène Farmer | Album + Compilation | | Polydor , Universal Music France | 539 446 3 |
| 2.13 | À quoi je sers | 4:41 | Mylène Farmer | Collection | Mylène Farmer | Album + Compilation | | Polydor | 539681-3 |
| 1.1 | À quoi je sers | ?:?? | Mylène Farmer | Pictures (Volume II) | Mylène Farmer | Single + Compilation | | Polydor | 550883-8 |
| 1.9 | À quoi je sers (mix 2001) | 4:39 | Mylène Farmer | Les Mots | Mylène Farmer | Album + Compilation | | Polydor | |
| Promotion |
|---|
| 1.1 | A quoi je sers... (single version) | 4:30 | Mylène Farmer | A quoi je sers... | Mylène Farmer | Single | | Polydor | 2029 |
| Bootleg |
|---|
| 1.5 | A quoi je sers | 4:41 | Mylène Farmer | Unrelised and Rarities | Mylène Farmer | Album + Compilation | | Diamond Records | [none] |
| 1.6 | À quoi je sers (1989) | ?:?? | Mylène Farmer | Memoires | Mylène Farmer | Album + Compilation | | Libertine Records | [none] |
| 1.10 | À quoi je sers | 4:35 | Mylène Farmer | The Singles Collection, Vol.2 | Mylène Farmer | Album + Compilation | | Polydor , Universal Music France | 495 229-2 |
| Withdrawn |
|---|
| 1.9 | À quoi je sers (mix 2001) | 4:39 | Mylène Farmer | Best of Mylène Farmer, Vols. 1 & 2 | Mylène Farmer | Album + Compilation | | Wrasse Records | |