Opening a P3 File

The P3 file type is primarily associated with Primavera P6.

P3	File extension: P3
	File type:	project file

What is a P3 file?

P3 files mostly belong to Primavera P6. Primavera P3 project file is a specialized file used by Oracle's Primavera P6 software for managing project data.
This file stores key project information such as:

Project Schedules - timelines and milestones

Resource Allocations - assignments and budget details

Task Dependencies - relationships between various project activities

FilExt.com notes: The content is stored in a proprietary format that is not meant for direct editing in typical text editors. To view or modify the information, you should use the official Primavera P6 platform. For more details, visit Oracle's official website.

How to open P3 files

You need a suitable software like Primavera P6 to open a P3 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your P3 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a P3 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online P3 Text Viewer

Choose your .p3 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert P3 files:

Primavera P6
See the previous paragraphs to learn more about the main application. P3 files are often referred to as Primavera P6 data files because this type of file is primarily created or used by this software.
Primavera Project Planner (Project File) by Primavera Systems, Inc.
OpenProj is a free project program that is supposed to be able to open and manipulate these files. Related links: OpenProj

Technical Data for P3 File Extension

File classification:

Data

Related files:

xer, mpp, mpx, p3a, p1, p2, fp3, sgd, pkg, ser, xml, csv

Related links:

OpenProj

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: iTunes.mp3
EXEFile: %ProgramFiles%\iTunes\iTunes.exe /open %L

ProgramID: MMJB.MP3
EXEFile: %ProgramFiles%\MUSICMATCH\MUSICMATCH Jukebox\mmjblaunch.exe %1

ProgramID: MP3_conch_file
EXEFile: %ProgramFiles%\MasterSoft\SuperDVD.exe %1

ProgramID: mp3file
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /Open %L

ProgramID: mp3file
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /prefetch:6 /Open %L

ProgramID: PhotoStory3.Document
EXEFile: %ProgramFiles%\Photo Story 3 for Windows\PhotoStory3.exe -f %1

ProgramID: RealPlayer.MP3.6
EXEFile: %ProgramFiles%\Real\RealOne Player\RealPlay.exe %1

ProgramID: RealPlayer.MP3.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\Winamp.exe %1

Show all 9 listings To Top

a p3 project file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with P3 files

Associate the P3 file extension with the correct application.
Update your software that should actually open project files. Because only the current version supports the latest P3 file format. Search, therefore, e.g. on the manufacturer website after an available Primavera P6 update.
To make sure that your P3 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .P3 file online - secure, fast, and no downloads needed.