.AS3PROJ File Extension

File Type:
FlashDevelop ActionScript 3 Project File

Having trouble opening .as3proj extension? Don't panic! This page explains what as3proj files are as well as suggests programs you may use to open as3proj files. You can download these programs through this page.

What is an AS3PROJ file?

As3proj file extension has FlashDevelop ActionScript 3 Project file type, developed by FlashDevelop, which is associated with the "developer files" category.

Generated with FlashDevelop, the project file stores project data, including source code files, output, build settings, etc. The AS3PROJ file as well as its supporting project files and directories are all located within the directory, specified by the user. Since the program keeps track of all the data through the AS3PROJ file, it doesn’t require manual editing.

To learn how you can open the given file, read the information below.

as3proj file icon
File Type:
FlashDevelop ActionScript 3 Project File
Developer Files

How to open AS3PROJ file?

Double click the as3proj file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .as3proj extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the as3proj extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the as3proj file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open AS3PROJ files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the as3proj file as well. Download Universal File Viewer for your OS.

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