An fmf file extension is associated with the 3D video format used by Atomic3D. Probably obsolete format.

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

empty icon.fmf - FaxMan Jr fax document

empty icon.fmf - Football Manager 2012 game graphics package

Detailed description

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FMF file extension - Atomic3D video

What is fmf file? How to open fmf files?

File type specification:

Digital video and movie file type icon Digital video and movie file type

The fmf file extension is related to a 3D video format developed by Atomic3D.

Most likely some old format without support. No further information could be found.

Mime types:
video/x-atomic3d-feature

This fmf file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: March 19, 2019

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .fmf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

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File-Extensions.org > Digital video and movie file types

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