ERF file format description

Many people often share .erf files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .erf files. To address this issue, we have created this page to offer assistance and guidance on handling .erf files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .erf files.

Our aim is to simplify the process and promote seamless use of the .erf file format.

5 filename extension(s) found in our database.

.erf - Bioware Encapsulated Resource File

The ERF game data files are related to Neverwinter Nights. The ERF file is a Bioware Generic File Format. The Encapsulated Resource File (ERF) format is one of BioWare's methods of packing multiple files into a single file so that they may be treated as a single unit.

Application:Neverwinter Nights
Category:Game Data files
Magic:- / -

Bioware Encapsulated Resource File related extensions:

  • dn3 Duke Nukem 3 Game Data
  • cam Oddworld: Abes Oddysee Background Data
  • hal Mortyr Game Archive
  • md3 Quake 3 Arena 3D Model Data
  • ags Street Fighter IV Font Data
  • cfb Infinity Engine Binary Dump

.erf - Epson RAW Image

The ERF graphic files are related to Epson PhotoRAW. The ERF file is a Epson RAW Image.

Application:Epson PhotoRAW
Category:Graphic files
Magic:- / -

Epson RAW Image related extensions:

  • oir Olympus Microscope OIR Image
  • img ADEX Corporation Bitmap
  • cgm Computer Graphics Metafile
  • pla AtariTools-800 Player Data
  • fge Atari 8-bit Floor Designer Image
  • cpx CinePaint XML-tagged Image

.erf - Efficient Reminder v2 Data

The ERF data files are related to Efficient Reminder. The ERF file is an Efficient Reminder v2 Data. Efficient Reminder is a professional, cross-platform and easy-to-use software program which designed for managing date, meeting, events.

Application:Efficient Reminder
Category:Data files
Magic:- / -

Efficient Reminder v2 Data related extensions:

  • lx3 Lounge Lizard EP3 Exchange Data
  • nsm AQUA NOE Distance Restraints Summary Data
  • sym PTC Creo Drawing Symbol Data
  • acdb Android Audio Calibration Database
  • edat2 E-Prime E-DataAid 2.x File
  • bswx BIMReview 3D Model Data

.erf - Dragon Age: Origins Game Resources Data

The ERF game data files are related to Dragon Age: Origins. The ERF file is a Dragon Age: Origins Game Resources Data. Dragon Age: Origins is a role-playing game developed by BioWare.

Application:Dragon Age: Origins
Category:Game Data files
Magic:- / -

Dragon Age: Origins Game Resources Data related extensions:

  • wgp Wild Board Games Data
  • gci Grand Theft Auto 2 Vehicle Data
  • sou ScummVM Sound Data
  • sff Soldier Front Client Model Data
  • dat_mcr Minecraft Level Data Backup
  • ae Curse: The Eye Of Isis Game Data

.erf - MicroEMACS Registry Data

The ERF data files are related to MicroEMACS. The ERF file is a MicroEMACS Registry Data. MicroEMACS is a small, portable Emacs-like text editor.

Category:Data files
Magic:- / -

MicroEMACS Registry Data related extensions:

  • eaf MicroEMACS Abbreviation File
  • edf MicroEMACS Spelling Dictionary Data
  • ehf MicroEMACS Help
  • emf MicroEMACS Macro
  • enf MicroEMACS Database Data
  • esf MicroEMACS Session Data

Be careful.

It is important to understand that the .erf file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .erf extension to create files. This includes potentially harmful programs or malware that may generate .erf files for various purposes. Be especially cautious with .erf files coming from untrusted or unknown sources.

Can't open a .erf file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .erf file

To set the .erf file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .erf file association. Many applications can open .erf files without requiring any specific file association to be set.

The .erf file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

3rf, drf, edf, eef, ef, eff, efr, egf, er, erb, erc, erd, ere, erg, err

Is it possible that the filename extension is misspelled?

There is a possibility that the .erf filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .erf:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .erf page useful, please feel free to link to this page. >> ERF file