| 1 | What You Don't Know (Radio Mix) | 4:10 |
| 2 | What You Don't Know (Atomic Mix) | 6:35 |
| 3 | What You Don't Know (Might Hurt You Beats) | 2:36 |
| 4 | What You Don't Know (Bass Mix) | 7:09 |
| 5 | What You Don't Know (Crossover Mix) | 6:36 |
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| AD1-9837 | Exposé | What You Don't Know (12") | Arista | AD1-9837 | US | 1989 |
| 612 354 DJ | Exposé | What You Don't Know (12", Promo) | Arista | 612 354 DJ | UK | Unknown |
| 3A 612354 | Exposé | What You Don't Know (12", Maxi) | Arista | 3A 612354 | Spain | 1989 |
| B15D-51009 | Exposé | What You Don't Know (CD, Maxi) | Arista | B15D-51009 | Japan | 1989 |
| CAS-9836 | Exposé | What You Don't Know (Cass, Single) | Arista | CAS-9836 | US | 1989 |