EXT4 is related to Fourth extended filesystem -  journaling file system for Linux.

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EXT4 file extension - Fourth extended filesystem

What is ext4 file? How to open ext4 files?

File type specification:

System file type icon System file type

EXT4 is not a file extenstion but rather abreviattion for a a journaling file system for Linux. Pops up frequently in our search queries.

Help how to open EXT4 files:

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 file with extension EXT4:

As far as we know, this .ext4 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.

Related links:

EXT4 entry at Wikipedia

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