All about ERF Files

The ERF file type is primarily associated with Dragon Age.

ERF	File extension: ERF
	File type:	game resource

What is an ERF file

ERF files mostly belong to Dragon Age by Electronics Arts. ERF filename extension is associated with RAW images captured with the R-D1 or R-D1s digital rangefinder cameras manufactured by Epson. This type of ERF file contains a minimally processed photograph that is saved in TIFF/EP format. The image manipulation software bundled with the above mentioned Epson cameras or Photoshop can be used to import and edit ERF images. ERF is also the filename extension of game data archives stored in the Encapsulated Resource File format used by game engines such as Aurora, Eclipse, and Odyssey.These archives may contain animation, models, audio, add-ons, and textures used in games such as The Witcher, Neverwinter Nights, and Dragon Age: Origins. Wireshark packet analyzer and network troubleshooting software, saves captured packets as a series of records in ERF (Extensible Record Format) files. Each record in such ERF files contains one packet.

How to open an ERF file

You need a suitable software like Dragon Age to open an ERF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ERF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ERF file directly in the browser:. Just drag the file onto this browser window and drop it.

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Programs that open and convert ERF files:

Dragon Age by Electronics Arts
See the previous paragraphs to learn more about the main application. ERF files are often referred to as Dragon Age games because this type of file is primarily created or used by this software.
Eclipse (resource) by Active Media
Eclipse was a computer program used to create and preview screen savers for Windows computers. Some resources used by the program were saved in ERF files. This file format is classified as Data.
Efficient Reminder (personal information) by Efficient
Efficient Reminder is a scheduling software for setting and reminding oneself of various kinds of appointments/activities. It saves the user's personal information in ERF files. This file format is classified as Data.
Neverwinter Nights (game resource) by BioWare
Neverwinter Nights is a third-person role-playing video game set in a fantasy world called the "Forgotten Realms". The game is available for desktop and console platforms. It uses game resources saved in Encapsulated Resource File (ERF) archives. This file format is classified as Game.
Photoshop (raw image) by Adobe
Photoshop is a cross-platform raster graphics editor which is optimized for photo editing. Although Epson is no longer in the business of manufacturing cameras, Photoshop can still open ERF images captured with Epson cameras. This file format is classified as Camera Raw.
Stylus Studio (document type declaration entity reference) by Progress
Stylus Studio is an integrated development environment for creating, debugging, and exporting XML-based documents. Its Visual DTD Editor component uses document type declaration entity references saved in ERF files. This file format is classified as Data.
Wireshark (captured packet records) by The Wireshark Team
Wireshark is a cross-platform, open-source network troubleshooting program and packet analyzer. It saves packets as a series of records in ERF files. This file format is classified as Data.

ERF file format:

The file format, which is the arrangement and type of data in a file, determines which program can open the file. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the ERF files:

The ERF file type is a very commonly used file extension and includes various formats for various programs. The following file formats are most commonly found in ERF files:

50% of all ERF files use the same file format, which can be identified by the letters "45 00 52 00 46 00 20 00 56" at the beginning. The contents of these files cannot be read by a human; only a computer program can interpret the data. The files are often between 3 KB and 66 MB in size. This is an old file type which is rarely used today. The following keywords are characteristic: ERF V3.0 and ERF V2.0. A common filename is fonts.erf. Files like these are about module, modcore, package, pack, texturepack, designerplots, textures, outfit, ultra, body, hsli and sexy.
10% of all ERF files use the same file format, which can be identified by the letters "ÿÿÿ" at the beginning. The contents of these files cannot be read by a human; only a computer program can interpret the data. A typical file size is 14 KB. The files contain the following words: 00000054 00000200 7fffffff.

All other ERF files (40%) have no uniform format, often e.g. BioWare Entity Resource File, Compucon EOS Design Format and UTF-16 (LE). Often described as swpc, timelimited, windpro, wwisebanks, dracomies, interface, materials, ferelden, mpresets, eternal, wardens, armour, custom, front, hawke, items, truth, core, data, face, fair or skin. You can get all the details of your ERF file by dragging it onto this page or by clicking the button "Choose your .erf file to analyze" above.

Technical Data for ERF File Extension

File classification:

Game

Related files:

erif, uti, bif, etf, erg, utc, nss, gda, ncs, rar, zip, ref, dll, bpmn, png, pth, pdf

Mime type:

image/x-raw-epson, application/octet-stream, image/x-epson-erf

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: ethereal-file
EXEFile: %ProgramFiles%\Ethereal\ethereal.exe %1

ProgramID: ethereal-file
EXEFile: D:\hack'n-crack\Ethereal\ethereal.exe %1

ProgramID: wireshark-file
EXEFile: %ProgramFiles%\Wireshark\wireshark.exe

ProgramID: ACDSee Pro.erf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0.Pro\ACDSee8Pro.exe

ProgramID: Ashampoo UnInstaller Platinum 2
EXEFile: %ProgramFiles%\Ashampoo\Ashampoo UnInstaller Platinum 2\UnInstaller.exe

ProgramID: Enterprise.FastFile
EXEFile: %ProgramFiles%\SAS\SAS System\9.0\reporter\Ersas.exe open

ProgramID: ACDSee 8.0.erf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\8.0\ACDSee8.exe

ProgramID: ethereal-file
EXEFile: %ProgramFiles%\_wwwUtils\_BB\Ethereal0.10.10\ethereal.exe

ProgramID: DigitalFotoMaker.5.erf
EXEFile: %ProgramFiles%\MAGIX\FOTO_M~1\FOTOMA~1.EXE

ProgramID: Photoshop.CameraRawFileEpson.10
EXEFile: %ProgramFiles%\PhootoshopCS\Adobe Photoshop CS3\Photoshop.exe

ProgramID: ACDSee.erf
EXEFile: %ProgramFiles%\ACD Systems\ACDSee\5.0\ACDSee5.exe

ProgramID: Ashampoo UnInstaller 3
EXEFile: %ProgramFiles%\Ashampoo\Ashampoo UnInstaller 3\UnInstaller.exe

ProgramID: Epson ERF Image
EXEFile: %ProgramFiles%\ArcSoft\RAW Thumbnail Viewer\RAW Thumbnail Viewer.exe

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an erf game resource is a special file format by Electronics Arts and should only be edited and saved with the appropriate software.

How to solve problems with ERF files

Associate the ERF file extension with the correct application.
Update your software that should actually open game resources. Because only the current version supports the latest ERF file format. Search, therefore, e.g. on the Electronics Arts manufacturer website after an available Dragon Age update.
To make sure that your ERF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ERF file online - secure, fast, and no downloads needed.