If you are seeking information about file extensions, then you are in the right place at the right time.

Details of extension .a3p

On this page, we're going to take a closer look at the .a3p file extension, which is related to Alice v3 Project. We'll explain what exactly a .a3p file format is and how you can use it. If you're interested in learning more details about this type of file, we'll show you where to find them. And if you ever need to convert .a3p files into different formats, we'll give you some tips on how to do that too. Let's see the file format associated with this file extension!


  1. Alice v3 Project

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a3p file - Alice v3 Project

Alice v3 Project

The A3P file belongs to the Project category and works with Alice, being used as an Alice v3 Project. Alice is a 3D Interactive Graphics Programming Environment. It is an open-source object-oriented program written in Java, which allows users to create a virtual world in which they can drag and drop objects and tell stories, create computer animations, short films and video games. The developer is still actively supporting the Alice, likely. Our data shows that Alice uses 5 more file types.
Application: Alice
Program name: -
Category: Project files
Mime-type: application/octet-stream
Related extensions:
.a2w Alice v2 Project
.a2c Alice v2 Object
.ase Alice Scene Export Data
.ali Alice Plugin

The .a3p file extension might not only belong to a single type of file, there could be various kinds that use it. Keep in mind that files with the .a3p extension may contain various content types. If you have helpful information about this extension, write to us!

Could someone have spelled the .a3p file extension wrong?

In our database, we came across the following similar extensions:

.a3l Adobe Authorware Library
.aep Homeworld Game AEP Data
.3p Advent 3B2 Document Preferences
.awp Akimbot Waypoint Data
.w3p Warcraft 3 Progress Data
.arp Alphacam Router Post Data

The .a3p extension is frequently misused

People sometimes confuse the .a3p filename extension. Based on the searches on our site, here are the most common misspellings from the past year.

aep (1), ap (1), 3p (1), w3p (1), x3p (1), awp (1), a3 (1), arp (1), ap3 (1)

Having trouble opening a .a3p file?

If you want to open a .a3p file on your computer, you just need to have the appropriate program installed. Incorrect settings for the .a3p association can trigger this error.

Windows can't open this file:

File: example.a3p

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

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 with 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.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android