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Basic information about P3X file

When there is a problem with opening files with the file extension P3X（*.P3X or *.p3x）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the P3X file yourself.

There are 1 file types using the P3X file extension in our database. In the further part of this page, you will find detail information about all the P3X file with their brief description and a list of programs that support P3X file sorted by operating systems. The table below provides useful information about the P3X file extension. It answers questions such as:
  • What is the P3X file?
  • How to open a P3X file?
  • What programs do I need to open a P3X file?
  • What programs help to create and edit a P3X file?
  • How to convert P3X files to another file format?
  • How to convert another files to P3X file format?


1.Detail information about P3X file extension: HTML Document

File type HTML Document Category Text Files
Developer N/A File format N/A
Description P3X file is a HTML Document. File with p3x file extesnion contains text document formatted by the html tags. Can be opened in the text editor.

Most likely some old format without support. No further information could be found.

This p3x file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
Software programs that will open, edit or convert P3X files

Windows		 NotePad++ text editor
Microsoft Windows NotePad

macOS		 TextEdit

Linux		 gedit



Can't open a P3X file?

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

”Can't open this file: example.P3X”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the P3X extension without any issue.


Where I can download the application that support P3X file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of P3X 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a P3X file?

The reasons for the lack of the ability to open a P3X file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a P3X file. If there is still something wrong, you might want to check:

  • Whether the P3X file is damaged.
  • Whether the P3X file is incorrectly linked in the registry entries.
  • Whether the P3X file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the P3X file format is incompletely.
  • Whether the P3X file is infected.
  • Whether the drivers of the equipment used for opening a P3X file are up to date.
  • Whether your computer has enough hardware resources to open a P3X file.

If the P3X file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.