If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .biff

On this page, we're going to take a closer look at the .biff file extension, which is related to Infinity Engine Archive.

We'll explain what exactly a .biff file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .biff files into different formats, we'll give you some tips on how to do that too.

Let's see the file format associated with this file extension!


  1. Infinity Engine Archive

We trust that our website will provide valuable information for you. If you have any questions, just ask!

Infinity Engine Archive

biff file - Infinity Engine Archive
The BIFF file belongs to the Game Data category and works with Baldurs Gate, being used as an Infinity Engine Archive. Infinity Engine is a game engine which allows the creation of isometric role-playing video games. The developer is still actively supporting the Baldurs Gate, likely. Our data shows that Baldurs Gate uses 49 more file types.
Application: Baldurs Gate
Program name: -
Category: Game Data files
Mime-type: application/octet-stream
Related extensions:
.kfu Infinity Engine KFU Data
.tbg Infinity Engine TBG Data
.wbm Infinity Engine WBM Data
.gam Infinity Engine Saved Game Data

The .biff file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .biff extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .biff file extension wrong?

In our database, we came across the following similar extensions:

.fiff Elekta Neuromag FIFF Data
.bff AIX Backup File Format
.viff Khoros Visualization Image
.giff CompuServe Bitmap Image
.iff Commodore Amiga Interchange File Format Bitmap
.niff Notation Interchange File Format

The .biff extension is frequently misused

People sometimes confuse the .biff filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

fiff (1), bff (1), iff (1), niff (1), viff (1), bif (1)

Having trouble opening a .biff file?

If you want to open a .biff file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .biff association can trigger this error.

Windows can't open this file:

File: example.biff

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program with which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android