The *.ch4 file extension is related to the Charisma and used for its presentation files.

There are 2 other file types using
the CH4 file extension!

ch4 file icon.ch4 - WSxM file

ch4 file icon.ch4 - ZX Spectrum font

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CH4 file extension - Charisma presentation file

What is ch4 file? How to open ch4 files?

File type specification:

Document file type icon Document file type

The CH4 file extension is associated with the Charisma a presentation software. The *.ch4 file stores presentation created in the Charisma.

The Charisma seems to be obsolete product without support from developer.

Help how to open CH4 files:

Currently there is no specific information available, about how to open this file extension.

For general information try to look at:
Basic info how to open documents

How to convert file with extension CH4:

Currently there is no specific information available, about how to convert this file extension.

For general information try to look at:
Basic info how to convert documents

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