Files with part extension are almost always partially downloaded files from internet. When the download is complete, the original extension is restored. Generally, until the download is finished, no data can be recovered from .part files.

There is one other file type using
the PART file extension!

empty icon.part - PTC Pro/Engineer CAD part

Detailed description

Software that open part file

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PART file extension - Partial download

What is part file? How to open part files?

File extension part is commonly used for temporary files that contain partially downloaded packages or files from internet.

Unless the download is finished, the partial file appears as corrupted and usually cannot be accessed by any means. After the download is finished, the partial filename is renamed from part file extension to its original extension.

These .part files are auto generated by many download managers and web browsers, including Go!Zilla, Firefox internet browser, eMule Plus, eDonkey, FlashGet or Free Download Manager.

Updated: November 7, 2023

The default software associated to open part 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.

Go!Zilla icon

Go!Zilla  Microsoft Windows software

Company or developer:
Headlight Software, Inc.

Go!Zilla is download manager for Microsoft Windows cooperates with any Internet browser. Go!Zilla is able to manage, categorize, recover and resume download sessions. It is very simple to use.

Free Download Manager icon

Free Download Manager  Microsoft Windows software

Company or developer:
Free Download Manager.ORG

Free Download Manager is free open source download accelerator and manager for Microsoft Windows. Free Download Manager can increase download speed, resume broken downloads. It supports HTTP, HTTPS, FTP and BitTorrent protocols.

JDownloader icon

Jdownloader Team logoJDownloader  Microsoft Windows software

Company or developer:
Jdownloader Team

JDownloader is a free download management utility develop to make downloading from the Internet much more faster and comfortable.

JDownloader automatically detects the control tests, supports multi-threaded downloading, automatically extracts files from archives, start/pause downloads etc. It is able to use CCF, DLC link container file formats.

Help how to open:

If you for some reason have unfinished partial download file, caused by crash, lost connection etc, and you still wish to finish the download, you have to reinitiate the download using the original program.

Sometimes you can try to rename the *.part file extension to the original extension name and open, play or view the file with appropriated software, but file may be corrupted.

How to convert:

There is no way how to transform .part files to other file formats.

List of software applications associated to the .part 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 part file, edit part file, convert part file, view part file, play part file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting part files.

Programs that can create part file - Partial download

Programs supporting the exension part on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for create part file action.

Microsoft Windows:

Main software associated with part file by default:
Firefox small icon Firefox
Go!Zilla small icon Go!Zilla
Free Download Manager small icon Free Download Manager
JDownloader small icon JDownloader
Other suggested software:
eMule Plus small icon eMule Plus
FlashGet small icon FlashGet

Apple macOS / Mac OS X:

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