BUL file format description

Many people share .bul files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .bul file can be edited, converted or printed with. On this page, we try to provide assistance for handling .bul files.

2 filename extension(s) found in our database.

.bul - I4 Bullseye Data

The BUL data files are related to I4. The BUL file is an I4 Bullseye Data. I4 is an open software system for biomedical image processing. I4 Bullseye format is a functional image format for 2D and 3D cardiac functional image data used the the I4 imaging system.

Data files
- / -
I4 Bullseye Data related extensions:
Mine-imator Data
Viking Data File
Logos 3 LLS Data
Punch CAD Object
Pwdump Dump Data

.bul - JSim Bullseye Data Format

The BUL data files are related to JSim. The BUL file is a JSim Bullseye Data Format. JSim is a Java-based simulation system for building quantitative numeric models and analyzing them with respect to experimental reference data.

Data files
- / -
JSim Bullseye Data Format related extensions:
JSim Markup Language Data
JSim Line Data Format
JSim Pretty Data Format
JSim Time Activity Curve Data

Naturally, other applications may also use the .bul file extension. Even harmful programs can create .bul files. Be especially cautious with .bul files coming from an unknown source!

Can't open a .bul 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 a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .bul file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

bhl, bil, bkl, bl, blu, bu, bui, buk, bum, bup, ful, gul, hul, ubl, ul

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

JungUm Global Document
DVD IFO Backup File
KeyCarbon Binary Keystroke Log
Binary Linework TIFF Image
SOBEK Rainfall Series Data
DVD Information Backup

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .bul file format, then write to us!

DataTypes.net >> BUL file