A daily updated filename extension database!

MPPX file extension

The table below provides useful information about the .mppx file extension. It answers questions such as:

  • What is the .mppx file?
  • What program do I need to open a .mppx file?
  • How can the .mppx file be opened, edited or printed?
  • How can I convert .mppx files to another format?
  • Where can I find the specifications for .mppx?
  • Which MIME-type is associated with the .mppx extension?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

.mpp file extension details

Microsoft Project Document

Microsoft Project Document .mpp file icon
MPP file is a Microsoft Project document.
Category: Document files
Application: Microsoft Project
Mime-type: application/vnd.ms-project
Magic number: -
Magic string: -
Sample: -
MPP aliases:
MPP related links:
MPP related extensions:
Primavera P6 Project

Microsoft Project Template

Microsoft Project Database

OpenProj Project

Microsoft Project XML Data Interchange File

Microsoft Project Exchange Document

Other types of files may also use the .mppx file extension.

.mppx file extension error

The .mppx file extension is often given incorrectly!

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

mpp, ppx, mppz, mpx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Microsoft Project Document
Serif PagePlus Template
Modgen Source Code
MagicPlot Project
Visual FoxPro Compiled Menu Program
Alpha Five Temporary Index
Microsoft Project Exchange Document
open .mppx file

Can't open a .mppx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mppx file association, check the FAQ.

.mppx file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mppx file extension, write to us!

.mppx file extension

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