Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .part

2 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .part file?
  • Which program can create the .part file?
  • Where can you find a description of the .part format?
  • What can convert .part files to a different format?
  • Which MIME-type is associated with the .part extension?
Partial Download .part file icon

Partial Download

The PART file is a Partial Download. This extension tells us that download is not finished yet, or was aborted before finishing. When application (Mozilla Firefox, eMule, etc) finishes the download, the partial file name will disappear.
Detailed description not available
Category: Other files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
BitComet File
uTorrent File
XoloX File
uTorrent License Key
Chrome Partially Downloaded File
BitComet URI Data
Chrome Temporary Fingerprint File
Chrome SSL Server Keystore
Pro/ENGINEER CAD Part Data .part file icon


The PART file is a Pro/ENGINEER CAD Part Data. Pro/ENGINEER is a 3D-CAD application by Parametric Technology Corporation. XAS and XPR files are associated with Family Table Instances in ProEngineer.
Detailed description not available
Category: Data files
Application: Pro/ENGINEER
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Autodesk AutoCAD Drawing
Autodesk Drawing eXchange File
Caligari TrueSpace Scene
IronCAD Scene
Autodesk AutoCAD Heidi Information File
Autodesk AutoCAD Heidi Device Interface
Pro/ENGINEER Neutral Assembly
Cadence Allegro PCB Layout
Catia Document

Other types of files may also use the .part file extension. If you have helpful information about .part extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Alphacam Router Tool Data
RSView Machine Edition Parameters Data
Corel Paint Shop Pro Pattern
ARToolKit Pattern
SmartWare Printer Driver

The .part filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

patt (1), par (1), prt (1), pat (1), art (1)

Can't open a .part file?

If you want to open a .part file on your computer, you just need to have the appropriate program installed. If the .part association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.part

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android