CM4

cm4 icon

ClipMate data file

File type: Various data file

A cm4 file is a data file used by ClipMate for Microsoft Windows. It stores data used by the clipboard manager.

ClipMate extends the standard Windows clipboard by allowing users to retain and manage many clipboard items, or "clips", instead of only the most recent item.

Found 3 different file type records with the same cm4 filename suffix.

What is cm4 file?

File type category:
Various data file

Date updated: November 2, 2026

The cm4 file extension is associated with ClipMate, a Windows clipboard manager. ClipMate provides clipboard features that the standard Windows clipboard does not provide, including storage and management of thousands of clips.

A cm4 file contains data used by ClipMate, including the application's stored clipboard information. It is an application data file rather than a general-purpose document or interchange format.

The format is intended for use with the Windows version of ClipMate and remains tied to that software. It should not be edited manually because changing its contents outside ClipMate may make the stored data unusable.

How to open cm4 file?

Open a cm4 file with ClipMate on Microsoft Windows. If ClipMate is installed, use the program to access the file or associate the cm4 file extension with it.

A cm4 file is not normally readable in a text editor or by standard document applications.

How to convert cm4 file?

There is no generally supported converter for the proprietary cm4 format. Open the file in ClipMate and use the program's copying or export features to move individual clips into a usable format.

Because the file stores ClipMate application data, renaming its extension or converting it with a generic file converter will not produce a useful result.

Suggested software to open cm4 file:

Associated software actions with the cm4 file

Software applications that handle other tasks involving cm4 files:

Microsoft Windows

CaseMap case analysis file

File type category:
Various data file

Date updated: September 28, 2026

CaseMap is case analysis software from LexisNexis for organizing information used in legal cases. A CM4 file contains the structured case data created and managed in CaseMap, including the relationships between the case's facts and issues.

The CM4 format is a proprietary CaseMap format for Microsoft Windows. The file is intended to be opened as a case in CaseMap rather than edited directly with a text or database editor.

How to open cm4 file?

Open a CM4 file with CaseMap on Microsoft Windows. Use CaseMap's Open command and select the file, or open the file from Windows if CM4 files are associated with CaseMap.

If CaseMap is not installed, install a compatible Windows version of the application before attempting to open the file.

How to convert cm4 file?

CM4 is a proprietary CaseMap format and is not normally converted with a general-purpose file converter. Open the file in CaseMap and use the application's available export or reporting functions when the case information must be provided in another format.

Suggested software to open cm4 file:

Associated software actions with the cm4 file

Software applications that handle other tasks involving cm4 files:

Microsoft Windows

Championship Manager 4 saved game

File type category:
Game file

Date updated: June 24, 2018

Record marked as obsolete and not updated for a long time.

The cm4 file extension is associated with football management simulation computer game series Championship Manager for MS-DOS, Windows, iOS and Android operating systems.

The .cm4 file stores saved player's progress in the Championship Manager 4 released in 2003.

How to open cm4 file?

Use Load Game option to work with *.cm4 files.

How to convert cm4 file?

Cannot be converted to other formats.

Related file extensions