CORE file format description

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

1 filename extension(s) found in our database.

.core - Linux Core Dump Data

The CORE development files are related to GDB. The CORE file is a Linux Core Dump Data. A core dump is a file containing a process's address space when the process terminates unexpectedly.

Development files
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Linux Core Dump Data related extensions:

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

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

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

code, coe, cor, cord, cre, ore

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Trimble Corrected SSF
CYANA DG Cartesian Coordinate File
Insight II Output Coordinate Data
GraalOnline Encrypted Data
Visual Studio Cord Data
Xilinx CORE Generator Coefficients

Operating systems 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 .core file format, then write to us! >> CORE file