CLM2 file format description

Many people often share .clm2 files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .clm2 files. To address this issue, we have created this page to offer assistance and guidance on handling .clm2 files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .clm2 files.

Our aim is to simplify the process and promote seamless use of the .clm2 file format.

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
CorelDraw Bitmap Master Data
XtalView Xfit Viewpoint Data

Naturally, other applications may also use the .clm2 file extension. Even harmful programs can create .clm2 files. Be especially cautious with .clm2 files coming from an unknown source!

Can't open a .clm2 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 .clm2 file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cl2, clm, cm2

Is it possible that the filename extension is misspelled?

There is a possibility that the .clm2 filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .clm2:

Atari ST Paintworks Image
GenePattern CEL Descriptor
Clipboard Master Data
MagicJack Call Log
Micrografx Picture Publisher Macro
Poser Camera Data

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

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 .clm2 file format, then write to us! >> CLM2 file