When you have finished editing in Reaper, you will need to render your project to MP3.
To Render your file to MP3:
- Go to File – Render
- Choose the Directory where you want to save your file by clicking “Browse”
- Give your file a relevant filename to make it easier to identify.
- Make sure you set the Output Format to MP3
- Click “Render 1 File….”.
- When the file has finished rendering, you can press “Close”