Opening a CMDF File

The CMDF file type is primarily associated with CrystalMaker.

CMDF	File extension: CMDF
	File type:	Data

What is a CMDF file

CMDF 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 CMDF files

You need a suitable software like CrystalMaker to open a CMDF file. You need a suitable software like CrystalMaker from CrystalMaker Software Ltd. to open a CMDF 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 CMDF file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CMDF file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CMDF Text Viewer

Choose your .cmdf file to analyze

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4 Steps to Open an Unknown .CMDF File

Because .CMDF files originate from various programs, they aren't universally openable.

Identify the Source: If received from a chemist or materials scientist, it is likely a CrystalMaker Data File. If from an IT admin, it may be a custom command file.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable XML suggests structured data.
- "PK" indicates a zipped archive.
- Binary characters often mean a proprietary format like CrystalMaker's.
Use the Original Software: The original program is usually required. Try CrystalMaker, a compatible chemical viewer, or ask the sender if you remain uncertain.
Use this Webpage: Drag and drop your .CMDF file into our viewer to detect the format, extract readable metadata, and preview contents when possible.

Technical Data for CMDF File Extension

Identifier:

Hex: 43 4D 44 46 43 72 79 73 74 61 6C 4D 61 6B 65 72 4D 08, ASCII: CMDFCrystalMakerM (provided by TrID database)

Related files:

cmmf, cmd5, seg

Mime type:

chemical/x-cmdf

a cmdf 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 CMDF files

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