To "reset" Audacity, open the hidden folder:
C:\Users\<your-user-name>\AppData\Roaming\audacity\
and delete the three files:
- audacity.cfg
- pluginsettings.cfg
- pluginregistry.cfg
To "reset" Audacity, open the hidden folder:
It's already on the developer's todo list.
Use the "Trim Audio" command to extract the part that you want, then export, then "Undo" to restore the trimmed audio.