BW File Type

- The quick facts

What are BW files and how to open them

Are you having problems opening a BW file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a BW file?

BW files have multiple uses, and bigWig Track Format is one of them.

bigWig Track Format

These BW (BigWig) files contain the genome data that will be displayed in the Genome Browser, a web-based tool used to display a requested portion of a genome at any scale. These genomes are gene predictions like mRNA, phenotype, multiple-species comparative genomics data, etc. These BW files have a faster display performance when working with large data files. These files are stored/displayed on your local web-accessible servers like HTTP or FTP.

How to open BW files

Important: Different programs may use files with the BW file extension for different purposes, so unless you are sure which format your BW file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different BW openers which you will find listed below.

Last updated: March 26, 2022

All known file formats using extension .BW

While bigWig Track Format is a popular type of BW-file, we know of 3 different uses of the .BW extension. Different software may use files with the same extension for different types of data.

Raw Black And White Bitmap

We know that one BW format is Raw Black And White Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

BW opener for Windows

We have identified one BW opener that is compatible with this specific type of BW file.

Silicon Graphics B/W Bitmap

We know that one BW format is Silicon Graphics B/W Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Programs that open these BW files

We have identified one BW opener that is compatible with this specific type of BW file.

ACDSeeACDSeeVerified

Various apps that use files with this extension

These apps are known to open certain types of BW files. Remember, different programs may use BW files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Corel PaintShop ProCorel PaintShop ProUser submitted
Ashampoo Photo CommanderAshampoo Photo CommanderUser submitted
GIMPGIMPUser submitted
Photomania DeluxePhotomania DeluxeUser submitted
ImagineImagineUser submitted
ABViewerABViewerUser submitted
Ashampoo Photo Commander FREEAshampoo Photo Commander FREEUser submitted
WinCDEmuWinCDEmuUser submitted
SlowViewSlowViewUser submitted
HanSeeHanSeeUser submitted