Files with erf file extension are resource archives used in games based on Bioware's Aurora engine.
ERF file extension - BioWare Aurora engine encapsulated resource data
What is erf file? How to open erf files?
File type specification:
The erf file extension is mainly related to Bioware Aurora game engine and used for its default archive 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. In this regard, it is similar to .zip, .tar, or .rar. BioWare Aurora Toolset files that use the ERF format include the following: .erf, .hak, .mod, and .nwm. The example ERF Editor is an internal BioWare tool (Windows only).
The default software associated to open erf file:
Company or developer:
BioWare
Neverwinter Nights is a third-person role-playing video game developed by BioWare and published by Infogrames in 2002. The game is set in the Forgotten Realms campaign setting and is based on third edition Dungeons & Dragons rules. The story puts player at the center of an epic tale of faith, war, and betrayal.
List of recommended software applications associated to the .erf file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open erf file, edit erf file, convert erf file, view erf file, play erf file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with erf file - BioWare Aurora engine encapsulated resource data
Click on the software link for more information about Neverwinter Nights. Neverwinter Nights uses erf file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).