CLM4 file format description

Many people share .clm4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .clm4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .clm4 files.

1 filename extension(s) found in our database.

.clm - Clipboard Master Data

The CLM data files are related to Clipboard Master. The CLM file is a Clipboard Master Data. Clipboard Master is a universal multi-clipboard manager software for text, images, files and much more.

Clipboard Master
Data files
- / -
clm2, clm4
Clipboard Master Data related extensions:
Tecplot 360 Style Data
BrainVoyager QX Anatomical Slices
SPEFO Stellar Spectra Analysis RVR Data
NI Diadem TDX Data
Green Kenue Rectangular Data
CorelDraw Bitmap Master Data

Naturally, other applications may also use the .clm4 file extension. Even harmful programs can create .clm4 files. Be especially cautious with .clm4 files coming from an unknown source!

Can't open a .clm4 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 .clm4 file extension is often given incorrectly!

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

cl4, clm, cm4, lm4, xlm4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Easy CD Creator 4 Project
Championship Manager 4 Saved Game
GenePattern CEL Descriptor
ClipMate Data
Clipboard Master Data
Steinberg LM-4 Program

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

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If you have useful information about the .clm4 file format, then write to us! >> CLM4 file