How to convert file .aup to mp3 [SOLVED]

Dear all,
I play a song on Audacity, and I record my voice at the same time. At the end of the song, I close the program, it asks me to Save before closing, I click Save. The saved song in .aup format (does it mean audacity process or something else?). Please help me to convert this .aup file to mp3, so I can play it with any audio player devices.
Thank you very much and have a good day.

Moderator note: no need to shout fella - we may have aging eyes, but we do have reading glasses …
I removed the shouting for you :wink:

That’s the Audacity Project Manager file. It works _with the DATA folder of the same name to construct your show. Don’t lose that folder.

Anyway, open the AUP file (which will open the _DATA folder) and when your show arrives in blue waves on the timeline, File > Export > MP3.

Audacity doesn’t come with MP3 exporting software, so you do have to install that yourself.

http://manual.audacityteam.org/o/man/faq_installation_and_plug_ins.html#lame

Koz

The AUP file is part (note that it is only “part”) of an Audacity project.
As Koz wrote, there are two parts to a project. There is a “_data” folder that contains all of the audio data, and there is an AUP file that tells Audacity what to do with that data.
To create a normal audio file you must “Export” from Audacity.
See here for a full description: http://manual.audacityteam.org/o/man/audacity_projects.html

Thanks Koz and Steve.
I follow your instruction, download and install LAME. Eureka! I got a MP3 file at last. Thank you both of you.