CPLZ file format description

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

1 filename extension(s) found in our database.

.cplz - Crestron SIMPL# Pro Library

The CPLZ development files are related to Crestron SIMPL. The CPLZ file is a Crestron SIMPL# Pro Library. Crestron SIMPL Windows software provides all the tools necessary to configure, program, test, and debug an integrated control system application. SIMPL# is a language extension utilizing C# class library that can be referenced and utilized in SIMPL+ modules.

Crestron SIMPL
Development files
- / -
Crestron SIMPL# Pro Library related extensions:
Visual Studio Test Run Configuration
Visual Studio .NET Macros
JDBC Configuration
Windows Debug Dump
AppleScript Scripting Addition

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

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

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

clz, cpl, cpmz, cpz, plz

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Crestron SIMPL Library Data
Lotus Freelance Presentation
TrialDirector Concordance Data
Control Panel Item
Miradi ConPro Exported Project
CorelDraw Color Palette

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

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DataTypes.net >> CPLZ file