Files with ext file extension may also be found as old extensions for Norton Commander file manager for MS-DOS operating system.

There are 4 other file types using
the EXT file extension!

empty icon.ext - Novadigm EDM file

empty icon.ext - E-mail text attachment

empty icon.ext - WS-FTP ASCII binary transfer data

empty icon.ext - Microsoft Visual Studio project extended properties

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EXT file extension - Norton Commander extension

What is ext file? How to open ext files?

File type specification:

Plugin, addon file type icon Plugin, addon file type

The ext file extension is or rather was mainly associated with the Norton Commander file managing program for MS-DOS, later also released for Windows and OS/2.

The ext file stores extension that adds new features to Norton Commander.

This ext 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: August 1, 2022

The default software associated to open ext file:

Norton Commander picture or screenshot

Symantec Corporation logoNorton Commander  Microsoft MS-DOS software

Company or developer:
Symantec Corporation

Norton Commander is a legendary file manager for MS-DOS. It was quickly abandoned when Windows 95 hit the market.

Help how to open:

You can import this type of .ext files to old Norton COmmander.

How to convert:

You cannot convert this file type to anything else and quite frankly, there is no reason to do so anyway.

List of recommended software applications associated to the .ext file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ext file, edit ext file, convert ext file, view ext file, play ext file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with ext file - Norton Commander extension

Click on the software link for more information about Norton Commander. Norton Commander uses ext file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft MS-DOS:

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