Click the button next to the FFmpeg Library in Preferences.
: Navigate to the official external download page and locate the macOS section. Select the .pkg installer designed for current Audacity versions.
: Close and reopen Audacity to allow it to automatically detect the new library. Verifying the Installation To ensure Audacity has correctly linked to FFmpeg: Open Audacity > Preferences (or use the shortcut Cmd + , ). Select the Libraries tab on the left.
To download FFmpeg for Audacity on a Mac, you should visit the Buanzo FFmpeg download page and download the installer . This library is essential for importing and exporting expanded file formats like M4A (AAC), WMA, and AC3, as well as extracting audio from video files. Step-by-Step Installation Guide
: Follow the on-screen prompts to install the library to the default system location.
If the version still says "not found," you can manually point Audacity to the file:
: Double-click the downloaded .pkg file. If macOS blocks it due to an "Unidentified Developer" warning, go to System Settings > Privacy & Security , scroll to the Security section, and click Open Anyway .