>> AT3 file

AT3 file format description

Many people share .at3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .at3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .at3 files.

2 filename extension(s) found in our database.

.at3 - Airport Tycoon 3 Saved Game

The AT3 game data files are related to Airport Tycoon 3. AT3 file is an Airport Tycoon 3 Saved Game. Airport Tycoon 3 is an airport simulation game for Microsoft Windows.

Airport Tycoon 3
Game Data files
- / -
Airport Tycoon 3 Saved Game related extensions:
Star Trek Elite Force 2 Camera Data
REBEL Chess Data
NSkill Neocron Character Builder Data
B.O.U.T. Evolution Low-res Texture Data
ChessBase Opening Book Data
Star Trek Elite Force 2 Gameplay Data

.atrac - Sony ATRAC3 Compressed Audio

The ATRAC audio files are related to Windows Media Player. ATRAC file is a Sony ATRAC3 Compressed Audio. Adaptive Transform Acoustic Coding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony.

Windows Media Player
Audio files
- / -
aa3, at3, atp, atrac3, oma, omg
Sony ATRAC3 Compressed Audio related extensions:
Microsoft xWMA Compressed Audio
Microsoft Agent Linguistically Enhanced Sound File
Matroska Audio
Magix Movie Edit Pro Audio Data
Yellow Tools Independence Image
Yellow Tools Independence Instrument Library

Naturally, other applications may also use the .at3 file extension. Even harmful programs can create .at3 files. Be especially cautious with .at3 files coming from an unknown source!

Can't open a .at3 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:


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.

The .at3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

af3, ar3, at, ate, atr, atw, t3, ta3, wt3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Accounting Accountants Transfer
AnyTime Organizer Deluxe Document
SIO2PC Atari Disk Image
TADS 3 Compiled Game
Lightscape Material File
TaxACT 2013 Tax Return Data

Operating systems 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

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