AS3PROJ file format description

Many people share .as3proj files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .as3proj file can be edited, converted or printed with. On this page, we try to provide assistance for handling .as3proj files.

1 filename extension(s) found in our database.

Naturally, other applications may also use the .as3proj file extension. Even harmful programs can create .as3proj files. Be especially cautious with .as3proj files coming from an unknown source!

Can't open a .as3proj 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 can't open this file:

example.as3proj

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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

• Open Control Panel > Control Panel Home > Default Programs > Set Associations.
• Select a file type in the list and click Change Program.

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .as3proj file format, then write to us!