BB2 file format description

Many people often share .bb2 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 .bb2 files. To address this issue, we have created this page to offer assistance and guidance on handling .bb2 files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .bb2 files.

Our aim is to simplify the process and promote seamless use of the .bb2 file format.

2 filename extension(s) found in our database.

.bb2 - BBC Micro Mode 2 Bitmap

The BB2 graphic files are related to Recoil. The BB2 file is a BBC Micro Mode 2 Bitmap. BBC Micro is a series of microcomputers and associated peripherals designed and built by the Acorn Computer company in the 1980s for the BBC Computer Literacy Project.

Category:Graphic files
Magic:- / -

BBC Micro Mode 2 Bitmap related extensions:

  • 64c Commodore 64 8x8 Font Data
  • a Commodore 64 SEUCK Sprite Image
  • a4r Atari 8-bit Anime 4ever Image
  • abk Commodore Amiga AMOS Bitmap
  • acbm Commodore Amiga Continuous Bitmap Image
  • afl Commodore 64 AFLI-editor Image

.bb - Blitz Basic Code

The BB development files are related to BlitzBasic. The BB file is a Blitz Basic, Blitz3D or Blitz Plus code. The .bb suffix was originally created for the Blitz BASIC language for the AMIGA computers by ACID SOFTWARE from New Zealand. It represents an encoded Blitz BASIC source code. Actually it has ported to WINDOWS from BLITZ RESEARCH, the new ACID SOFTWARE brand and it is a plain text WINDOWS file.

Category:Development files
Magic:- / -
Aliases:ab2, bb2

Blitz Basic Code related extensions:

  • bb Blitz Basic Code

Be careful.

It is important to understand that the .bb2 file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .bb2 extension to create files. This includes potentially harmful programs or malware that may generate .bb2 files for various purposes. Be especially cautious with .bb2 files coming from untrusted or unknown sources.

Can't open a .bb2 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 .bb2 file

To set the .bb2 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 .bb2 file association. Many applications can open .bb2 files without requiring any specific file association to be set.

The .bb2 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:

b2, bb, bbe, bbq, bbw, bbz, bf2, bn2, bv2, fb2, gb2, hb2, nb2

Is it possible that the filename extension is misspelled?

There is a possibility that the .bb2 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 .bb2:

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 .bb2 page useful, please feel free to link to this page. >> BB2 file