Audacity Project File 3.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 v3.x project consists of an aup project file in SQLite format, 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.
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| Extensions | .aup3 |
|---|---|
| MIME types | application/x-audacity-project+sqlite3 |
| Signatures | 53514c69746520666f726d6174203300 at byte 0 (Audacity Project File (v.3.x)) |
| PRONOM | fmt/1826 |
| Wikidata | Q117485972 |
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From PRONOM, Wikidata. Updated 2026-10-20.