Follow these instructions to use the free LAME encoder to export MP3 files with Audacity.

Do not change the offered destination location of C:Program FilesLame for Audacity.

Follow these instructions on the Audacity Wiki to download and install a suitable LAME package from the internet.

Lame Audacity How To Enable MP3

This step-by-step guide will show you how to enable MP3 support so that you can save files in Audacity as MP3s.

Note: the version of LAME for Windows at the time of this writing, is 3.99.3.

By the time you get to this guide, it may be a newer (higher) version number for example 3.99.4 or even a version 4.0.

The steps will almost certainly be nearly identical if the version has changed.

This will run the Setup process, which is very straight forward.

Just leave it alone and keep clicking Next until youre done:).

Scroll to the section titled For Audacity 1.3.3 or later on Mac OS X 10.4 and greater and download the file LameLibraryv3.98.2forAudacityonOSX.dmg.

Note: at the time of writing, the version of the Lame Library is 3.98.2.

It may be a newer version by the time you read this, but thats OK.

When you Export an audio file, MP3 Files is now an option Thats it youre done:).

Lame For Mac Audacity