The File Extensions Database

.ERF File Extension

  • Developer by: BioWare
  • Category: Game Files
  • Format: Binary

What is an .ERF file?

.ERF is BioWare Entity Resource File

Game archive used by the BioWare's game engine technologies, such as the Aurora Engine, Eclipse Engine, and the Odyssey Engine; may contain various types of data for a game, including models, textures, animations, audio, and game levels; used for packaging original game content as well as for creating modifications and add-ons to the game.

ERF files can be edited with the ERF Editor component of the Dragon Age Toolset. They can be packaged together into .DAZIP files for deployment within the Dragon Age: Origins game.

The Aurora Engine is used for games such as Neverwinter Nights and The Witcher. The Eclipse Engine is used for Dragon Age: Origins, and the Odyssey Engine is used for Star Wars: Knights of the Old Republic. Each of these games use ERF files.

Programs that open BioWare Entity Resource File
Electronic Arts Dragon Age: Origins
BioWare Dragon Age Toolset
ERF/RIM Editor
File Type 2 Epson RAW File
Developer by: Epson Category: Camera Raw Files Format: Binary

Camera RAW file captured by an Epson digital camera; stored in an uncompressed format; can be opened using the software that is bundled with the Epson camera, such as Epson PhotoRAW; may also be printed directly using some Epson printers.

Programs that open Epson RAW File
Adobe Photoshop CC 2019
Adobe Photoshop Elements 2019
Microsoft Windows Photos
ACD Systems Canvas X 2019
ACD Systems ACDSee 2018
Adobe Photoshop CC 2019
Adobe Photoshop Elements 2019
MacPhun ColorStrokes
Adobe Photoshop Express
File Viewer for Android
Adobe Photoshop Express

How to solve problems with ERF files

  • Associate the ERF file extension with the correct application. On :
    Windows: Right click on any ERF file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ERF files". Mac: Right click (or Ctrl-click) the ERF file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ERF is BioWare Entity Resource File. Because only the current version supports the latest ERF file format. Search, therefore, e.g. on the BioWare manufacturer website after an available .ERF is BioWare Entity Resource File update.
  • To make sure that your ERF file is not corrupted or virus-infected, get the file again and scan it with antivirus software.