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Basic information about A4P file

When there is a problem with opening files with the file extension A4P（*.A4P or *.a4p）, 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 A4P file yourself.

There are 1 file types using the A4P file extension in our database. In the further part of this page, you will find detail information about all the A4P file with their brief description and a list of programs that support A4P file sorted by operating systems. The table below provides useful information about the A4P file extension. It answers questions such as:
  • What is the A4P file?
  • How to open a A4P file?
  • What programs do I need to open a A4P file?
  • What programs help to create and edit a A4P file?
  • How to convert A4P files to another file format?
  • How to convert another files to A4P file format?


1.Detail information about A4P file extension: A4Desk Pro Project File

File type A4Desk Pro Project File Category Web Files
Developer Avanquest Software File format Binary
Description A4P file is a A4Desk Pro Project File developed by Avanquest Software. Project file created by A4Desk Pro, a program used for making Flash websites without requiring in-depth knowledge of Flash; created from one of the templates included with A4Desk Pro and includes Flash animations and interactive website content.
Software programs that will open, edit or convert A4P files

Windows		 Avanquest A4Desk Pro



Can't open a A4P 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.A4P”。

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 A4P extension without any issue.


Where I can download the application that support A4P 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 A4P 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 A4P file?

The reasons for the lack of the ability to open a A4P 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 A4P file. If there is still something wrong, you might want to check:

  • Whether the A4P file is damaged.
  • Whether the A4P file is incorrectly linked in the registry entries.
  • Whether the A4P file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the A4P file format is incompletely.
  • Whether the A4P file is infected.
  • Whether the drivers of the equipment used for opening a A4P file are up to date.
  • Whether your computer has enough hardware resources to open a A4P file.

If the A4P 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.