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

Details of extension .bb1

On this page, we're going to take a closer look at the .bb1 file extension, which is related to BBC Micro Mode 1 Bitmap.

We'll explain what exactly a .bb1 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 .bb1 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. BBC Micro Mode 1 Bitmap

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BBC Micro Mode 1 Bitmap

bb1 file - BBC Micro Mode 1 Bitmap
The BB1 file belongs to the Graphic category and works with Recoil, being used as a BBC Micro Mode 1 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. The developer is still actively supporting the Recoil, likely. Our data shows that Recoil uses 277 more file types.
Application: Recoil
Program name: -
Category: Graphic files
Mime-type: application/octet-stream
Related extensions:
.bb5 BBC Micro Mode 5 Bitmap
.bb4 BBC Micro Mode 4 Bitmap
.bb0 BBC Micro Mode 0 Bitmap
.bbg BBC Micro LdPic Bitmap

The .bb1 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 .bb1 extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .bb1 file extension wrong?

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

.gb1 Game Maker Backup File
.fb1 FAWAVE Data File
.bbl BibTeX Bibliographic Reference
.b1 VTrain Data File
.bbq BitBeamer Transfer Queue Data
.bbw Band-in-a-Box Interface

The .bb1 extension is frequently misused

People sometimes confuse the .bb1 filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

gb1 (1), bbl (1), b1 (1), bbq (1), bbw (1), fb1 (1), bb (1)

Having trouble opening a .bb1 file?

If you want to open a .bb1 file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .bb1 association can trigger this error.

Windows can't open this file:

File: example.bb1

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