| egrp | Explorations RPG Game Engine Resource |
| eic | East India Company Saved Game |
| eix | Metin2 Game Data |
| ek6 | 3DS 6th Pokemon Save |
| ekv | Left 4 Dead Game Data |
| elb | WWII Fighters Audio Data |
| elv | Aces Hight Map Elevation Data |
| emd | DragonBall Xenoverse Model |
| emi | Pocket Tanks Emitter File |
| emm | Street Fighter IV Model |
| emw | Resident Evil Game Data |
| eobj | Explorations RPG Game Engine Resource |
| epc | Doctor Who Game Data |
| epk | Metin2 Game Data Package |
| eqg | EverQuest Game Data |
| erf | Bioware Encapsulated Resource File |
| erm | HMM3: In the Wake of Gods ERM Script |
| erp | Alter Ego Game Archive |
| escape | Prison Architect Escape Mode Saved Game |
| esg | Enigmo Saved Game |
| esk | DragonBall Xenoverse Skeleton |
| eu3 | Europa Universalis III Saved Game |
| eu4 | Europa Universalis IV Saved Game |
| eug | Hearts of Iron 2 Scenario Data |
| exh | NHL 08 Exhibition Roster Data |
| ezv | Enigma: Rising Tide Game Data |
| f2k | Freecell 2000 Data |
| f3d | MotoRacer 3 Model |
| f3f | Crazy Machines Font |
| fac | Bioware Aurora Faction |
| fbi | Total Annihilation Main Unit Definition |
| fbq | Trine 2 Data |
| fbrb | Battlefield: Bad Company 2 Game Data |
| fbx | Dota 2 3D Model Data |
| fbx | Unreal Engine 4 Scene |