AUP3 file format description

Many people share .aup3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .aup3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .aup3 files.

1 filename extension(s) found in our database.

.aup3 - Audacity v3 Project

The AUP3 project files are related to Audacity. The AUP3 file is an Audacity v3 Project. Audacity is a free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems.

Project files
- / -
Audacity v3 Project related extensions:
Audacity Block Data
Audacity Project
Audacity v3 Temporary Work Data
Audacity Wave Information Data
Audacity Help File
Audacity File List

Naturally, other applications may also use the .aup3 file extension. Even harmful programs can create .aup3 files. Be especially cautious with .aup3 files coming from an unknown source!

Can't open a .aup3 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 .aup3 file extension is often given incorrectly!

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

ap3, au3, aup, up3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

UP! Printer 3D Model
Asprova Project
VS10XX VSOS Application
AutoIt v3 Script
Audacity Project

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, 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 .aup3 file format, then write to us! >> AUP3 file