>> JCL file

JCL file format description

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

1 filename extension(s) found in our database.

.jcl - Job Control Language File

The JCL development files are related to IBM z/OS. JCL file is a Job Control Language File. Job Control Language (JCL) is a scripting language used on IBM mainframe operating systems (z/OS) to instruct the system on how to run a batch job or start a subsystem. z/OS is a 64-bit operating system for mainframe computers, produced by IBM.

Development files
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Job Control Language File related extensions:
Informix ESQL/COBOL Source
IAR System Debugger Desktop Data
IAR System Workspace Data
IAR System Debugger Data
IAR System Linker Command File
TRANSFER Cobol Source Code

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

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

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

mcl, jcp, jsl, jdl, cjl, jxl, jlc, jfl, jcm, jci, icl, ncl, cl, kcl, jl

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Exchange ESE Checkpoint File
CelLab Pattern Data
Windows Media Center Link
Visual J# Project
gLite Job Description Language File
microC Binary File

Operating systems

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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