There are 9 other file types using
the 1 file extension!

1 file icon.1 - Unix unformatted manual page

1 file icon.1 - Inno Setup binary file

1 file icon.1 - Pro/ENGINEER backup file

1 file icon.1 - GNU Screen log file

1 file icon.1 - Stuffit archive file

1 file icon.1 - Super Nintendo split ROM image

1 file icon.1 - The File Splitter split file

1 file icon.1 - AIM AOL Instant Messenger file

1 file icon.1 - Google Android cache

Bookmark & share this page with others:

1 file extension - Mozilla Firefox cookie, image, popup permissions

What is 1 file? How to open 1 files?

File type specification:

Internet related file type icon Internet related file type

1 file icon: 1 filetype icon

The 1 file extension is associated with the Mozilla Firefox and Netscape Navigator web browsers. The .1 file extension is used for cookie, image, popup permissions files. It is used in earlier versions of these browsers.

The default software associated to 1 file type:

Firefox icon

Mozilla Corporation logo Firefox  Microsoft Windows software

Company or developer:
  Mozilla Corporation

Firefox is very popular free open source web browser with many features. Firefox uses Gecko layout engine that implements most web standards including new HTML5.

Firefox supports tabbed browsing, private browsing, spell checking, incremental find, bookmarking etc. Other features can be added via extensions and add-ons, such as NoScript, Tab Mix Plus. FoxyTunes, Web Developer.

Netscape Navigator icon

AOL Inc. logo Netscape Navigator  Microsoft Windows software

Company or developer:
  AOL Inc.

Netscape Navigator was multi-platform web browser popular in the 1990's. The project was discontinued in 2007. The last versions of Navigator was based on Firefox Gecko core.

Help how to open 1 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 1:

As far as we know, this .1 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 .1 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 1 file, edit 1 file, convert 1 file, view 1 file, play 1 file etc. (if exist software for corresponding action in's database).

  • Others 1 file

Unspecified and all other actions for computer programs working with 1 file - Mozilla Firefox cookie, image, popup permissions

Click on the software link for more information about Firefox. Firefox uses 1 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 Windows:

Main software associated with 1 file by default:
Firefox small icon Firefox
Netscape Navigator small icon Netscape Navigator

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