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Partial download
File type: Internet related file, Temporary file
Files with part extension are almost always partially downloaded files from the internet. When the download is complete, the original extension is restored. Generally, no data can be recovered from .part files until the download is finished.
Found 2 different file type records with the same part filename suffix.
File type category:
Internet related file
Temporary file
Date updated: June 27, 2025
The file extension part is commonly used for temporary files that contain partially downloaded packages or files from the internet.
Unless the download is finished, the partial file appears corrupted and usually cannot be accessed. 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.
If you, for some reason, have an unfinished partial download file caused by a 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 the appropriate software, but the file may be corrupted.
There is no way to transform .part files into other file formats.
Software apps that create part files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
File type category:
3d graphics, CAD-CAM-CAE file
Date updated: October 12, 2024
The part file extension was used by Pro/Engineer, a Windows program for files that contained data about mechanical parts used in project. Pro/Engineer was replaced by Creo/Parametric software.
MIME types:
application/pro_eng
Use Pro/Engineer to work with the .part files. Creo/Parametric might also be able to open *.part files.
Generally speaking, CAD model parts can be exported for various other purposes, either as whole models, drawings or preview images.
Software applications that can open part files:
Microsoft Windows
Software capable of saving part files:
Microsoft Windows
Software apps that create part files:
Microsoft Windows
Software apps that import part files:
Microsoft Windows
Software applications that handle other tasks involving part files:
Microsoft Windows
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