FR4 file format description
Many people share .fr4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fr4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fr4 files.
1 filename extension(s) found in our database.
.fr4 - Fractal Explorer Quaternion Spot
The FR4 data files are related to Fractal Explorer. FR4 file is a Fractal Explorer Quaternion Spot. Fractal Explorer is a freeware fractal generator that can produce mysterious and beautiful mathematically-based images. The Fractal Explorer seems to be no longer supported.
- Fractal Explorer
- Data files
- - / -
- Fractal Explorer Quaternion Spot related extensions:
Naturally, other applications may also use the .fr4 file extension. Even harmful programs can create .fr4 files. Be especially cautious with .fr4 files coming from an unknown source!
Can't open a .fr4 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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .fr4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
br4, rf4, frr, fr, dr4, frt, fre, f4
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- Bryce 4 Scene
- Forth Source Code
- Pathloss Network Data
- SmartWare Communications Runtime Project
- Mandelbrot Explorer Fractal Region Settings
- AllyCAD Drawing Document
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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