Files with download file extension could, especially in the past, be found as incomplete downloads originally started by Firefox web browser version 1.x to 2.x.

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

download icon.download - Chrome partial download [common]

download icon.download - Apple Safari partial download [common]

Detailed description

Software that open download file

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DOWNLOAD file extension - Mozilla partial download

What is download file? How to open download files?

File type specification:

Temporary file type icon Temporary file type

Internet related file type icon Internet related file type

download file icon: download filetype icon

The download file extension is associated with web browsers based on Mozilla Gecko web layout engine. Mozilla download manager gives download extension to incomplete download files.

When the download is finished, download manager renames the file to its original file extension. Probably used in older versions or of Firefox.

Firefox 3 and later is using part file extension instead.

This download 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.

The default software associated to open download file:

Firefox icon

Mozilla Corporation logoFirefox  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.

Firefox for Mac icon

Mozilla Corporation logoFirefox for Mac  Apple macOS / Mac OS X software

Company or developer:
Mozilla Corporation

Firefox for Mac is popular free web browser developed by Mozilla Corporation. Firefox uses Gecko layout engine to display internet web pages. Gecko supports many current web standards. Firefox features include tabbed browsing, spell checking, live bookmarking, private browsing etc.. New features can be added through extensions.

Firefox for Linux icon

Mozilla Corporation logoFirefox for Linux  Linux/Unix software

Company or developer:
Mozilla Corporation

Firefox for Linux is popular free Internet browser developed by Mozilla Corporation. Firefox uses Gecko layout engine to view web pages. Gecko supports many web standards, Firefox supports many features, such as tabbed browsing, spell checking, private browsing etc.. Another features can be added by extensions. In many Linux distributions, Firefox is pre-installed as a default web browser.

Help how to open:

Sometimes the download will continue when a .download file is found by Firebox, but in most cases this is sadly not possible and you have to start the download again.

How to convert:

Partially downloaded files cannot be usually converted, you have to finish the download first and then you can convert the original file.

List of recommended software applications associated to the .download 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 download file, edit download file, convert download file, view download file, play download file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with download file - Mozilla partial download

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

Microsoft Windows:

Main software associated with download file by default:
Firefox small icon Firefox
Other suggested software:
SeaMonkey small icon SeaMonkey

Apple macOS / Mac OS X:

Main software associated with download file by default:
Firefox for Mac small icon Firefox for Mac
Other suggested software:
Seamonkey for Mac small icon Seamonkey for Mac

Linux/Unix:

Main software associated with download file by default:
Firefox for Linux small icon Firefox for Linux
Other suggested software:
Seamonkey for Linux small icon Seamonkey for Linux

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