>> 4A3 file

4A3 file format description

Many people share .4a3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .4a3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .4a3 files.

1 filename extension(s) found in our database.

.4b3 - STABCAL Data

The 4B3 data files are related to STABCAL. 4B3 file is a STABCAL Data. STABCAL is a program developed for IBM compatible personal computers to calculate various types of thermodynamic stability diagrams. The STABCAL seems to be no longer supported.

Data files
- / -
STABCAL Data related extensions:
STABCAL Calculation Data

Naturally, other applications may also use the .4a3 file extension. Even harmful programs can create .4a3 files. Be especially cautious with .4a3 files coming from an unknown source!

Can't open a .4a3 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 .4a3 file extension is often given incorrectly!

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


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

FIFA 2001 Game Data

Operating systems 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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If you have useful information about the .4a3 file format, then write to us!

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