Files with apu suffix may also potentially be old files from Audacity. Also common mistype for AUP projects from the same program.

There is one other file type using
the APU file extension!

empty icon.apu - Canon G3 corrupted RAW image

Detailed description

Software that open apu file

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APU file extension - Audacity file (old or mistype)

What is apu file? How to open apu files?

File type specification:

Audio and sound file type icon Audio and sound file type

File extension apu seems to also be somehow related to Audacity, a cross-platform software for recording and editing sounds.

This file type was either used in some of the older versions or the program, or is a mistype for the actual aup project files used by Audacity.

The default software associated to open apu file:

Audacity icon

Audacity logoAudacity  Microsoft Windows software

Company or developer:

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.

Audacity is able to:

  • Record live audio.
  • Record computer playback on any Windows Vista or later machine.
  • Convert tapes and records into digital recordings or CDs.
  • Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files.
  • AC3, M4A/M4R (AAC), WMA and other formats supported using optional libraries.
  • Cut, copy, splice or mix sounds together.
  • Numerous effects including change the speed or pitch of a recording.

Audacity for Mac icon

Audacity logoAudacity for Mac  Apple macOS / Mac OS X software

Company or developer:

Audacity for Mac is free multi-track audio editing tool that allows users to record live audio, convert old tapes to modern formats, edit various audio file types, cut, copy, mix audio data and adds various effects, like change speed of audio etc.

Audacity for Linux icon

Audacity logoAudacity for Linux  Linux/Unix software

Company or developer:

Audacity for Linux is multi-track audio editor and recorder with various features, like recording audio, edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis files, or cut, copy, splice or mix sounds together.

Help how to open:

You may try Audacity, as you may actually have .aup file and not .apu.

How to convert:

Unfortunately, we do not know about any possible conversion for this type of .apu files at this time.

List of recommended software applications associated to the .apu file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open apu file, edit apu file, convert apu file, view apu file, play apu file etc. (if exist software for corresponding action in's database).

apu file players - programs that can play apu file - Audacity file (old or mistype)

Programs supporting the exension apu on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for play apu file action.

Microsoft Windows:

Apple macOS / Mac OS X:


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