Audacity Project File 1.x
Unknownaudio
Audacity is free and open source audio editing, recording and post-processing software. The first version (0.8) was released in 2000 by Dominic Mazzoni and Roger Dannenberg at Carnegie Mellon University, Pennsylvania. It remains available today. An Audacity project consists of an aup project file, which is the name of the project followed by .aup . Next to the .aup file is a folder containing many .au files, each one being a segment of audio data. The aup file describes how audacity links the au files together to form the tracks in the project. This file is Audacity's new XML based project format, which is incompatible with version 2.x.
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| Extensions | .aup |
|---|---|
| Signatures | 3c3f786d6c2076657273696f6e3d at byte 0 (Audacity Project File (v.1.x)) |
| PRONOM | fmt/1824 |
| Wikidata | Q117485849 |
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From PRONOM, Wikidata. Updated 2026-10-20.