There are 14 other file types using
the 001 file extension!

001 file icon.001 - Compressed file from a multi-volume archive (part 1) [common]

001 file icon.001 - Fax data file

001 file icon.001 - Microsoft SharePoint Server 2007 temporary file

001 file icon.001 - Generally split archive or backup file (001-??? file sequence)

001 file icon.001 - Microsoft Drivespace cirtual drive file

001 file icon.001 - Superbase database index file (001-999 file sequence)

001 file icon.001 - Norton Ghost disk image span file

001 file icon.001 - International S-57 hydrographic data electronic navigation chart

001 file icon.001 - SwiftView ICS command file

001 file icon.001 - Genesis 2000 file

001 file icon.001 - Sage backup

001 file icon.001 - Winfunktion Mathematic v8.0 Julia fractal file

001 file icon.001 - Snes9x slot 2 game saved file

001 file icon.001 - Multimedia Fusion backup file

Bookmark & share this page with others:

001 file extension - Unix system file

What is 001 file? How to open 001 files?

File type specification:

System file type icon System file type

The 001 file extension is associated with the Unix and Unix based operating systems such as Linux/FreeBSD/Mac OS X operating systems. The .001 file stores various data used for internal purposes of Unix based operating systems.

The default software associated to 001 file type:

Mac OS X icon

Apple, Inc. logo Mac OS X  Apple macOS / Mac OS X software

Company or developer:
  Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Linux operating systems icon

Various Linux developers logo Linux operating systems  Linux/Unix software

Company or developer:
  Various Linux developers

Linux is family of Unix-based operating systems. Linux kernel supports variety of devices such as desktop computers, smart phones, tablet computers, routers, video game consoles etc. Linux is also leading operating system for servers. Linux is available for free in many distributions on the Internet.

Popular distributions for desktops are Ubuntu, Fedora, openSUSE, Debian. For servers are variants of Red Hat, Xandros, Slackware, Debian, SUSE etc.

Operating system for smart phones called Android is also based on Linux. Nokia developed Linux based operating systems for smart phones called MeeGo and Maemo.

FreeBSD icon

The FreeBSD Foundation logo FreeBSD  Linux/Unix software

Company or developer:
  The FreeBSD Foundation

FreeBSD is operating system based on BSD Unix. FreeBSD supports variety of hardware and processor platforms. It is vary popular to use on Internet and Intranet servers. FreeBSD is compatible with Linux. Linux popular GUIs Gnome and KDE can be run on the FreeBSD. FreeBSD is also part of Mac OS X system core.

Unix icon

The Open Group logo Unix  Linux/Unix software

Company or developer:
  The Open Group

Unix is multi-tasking operating system for various platforms. The first version was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.

Help how to open 001 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 001:

As far as we know, this .001 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.

List of recommended software applications associated to the .001 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open 001 file, edit 001 file, convert 001 file, view 001 file, play 001 file etc. (if exist software for corresponding action in's database).

  • Others 001 file

Unspecified and all other actions for computer programs working with 001 file - Unix system file

Click on the software link(s) for more information. Suggested software applications use 001 file type for internal purposes and/or also by different way than common edit or open 001 file actions.

Apple macOS / Mac OS X:


Main software associated with 001 file by default:
Linux operating systems small icon Linux operating systems
FreeBSD small icon FreeBSD
Unix small icon Unix

Previous file extension
000 file extension > System file types

Next file extension
file extension 100


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed