Opening a CMMF File

The CMMF file type is primarily associated with CrystalMaker.

CMMF	File extension: CMMF
	File type:	Data

What is a CMMF file?

CMMF files mostly belong to CrystalMaker by CrystalMaker Software Ltd. CrystalMaker is a program for building, displaying and manipulating crystal and molecular structures.

How to open a CMMF file

You need a suitable software like CrystalMaker to open a CMMF file. You need a suitable software like CrystalMaker from CrystalMaker Software Ltd. to open a CMMF file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CMMF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CMMF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CMMF Text Viewer

Choose your .cmmf file to analyze

or drag and drop it here

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4 Steps to Open an Unknown .CMMF File

Since .CMMF files can come from different programs, they aren't universally openable.

Identify the Source: Files received from chemists or materials scientists often contain molecular data intended for crystallography workflows.
Check the Header: Inspect the first bytes in a text or hex editor:
- Readable XML/JSON implies structured text data.
- "PK" means it is a zipped archive.
- Unreadable symbols suggest a proprietary binary format.
Use the Original Software: You usually need the original program to view the data; try CrystalMaker by CrystalMaker Software Ltd., or ask the sender if uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text or metadata, and preview the contents when possible.

Technical Data for CMMF File Extension

Identifier:

Hex: 43 4D, ASCII: CM (provided by TrID database)

Related files:

zip, cmdf, cmd5, seg

a cmmf Data is a special file format by CrystalMaker Software Ltd. and should only be edited and saved with the appropriate software.

How to solve problems with CMMF files

Associate the CMMF file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest CMMF file format. Search, therefore, e.g. on the CrystalMaker Software Ltd. manufacturer website after an available CrystalMaker update.
To make sure that your CMMF file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .CMMF file online - secure, fast, and no downloads needed.