retrieving music files

Need help.i recorded a lot of songs from old cassettes to computer using audacity 2.x.i recorded a side at a time of music{just pressed the record button and let the side play) than saved the file for a later date.when i went to retrieve the music to edit i only could retrieve small samples of a song.audacity had saved all music into small do i retrieve the whole song or whole side of the cassette i recorded?any help would be much appreciated

Audacity saves “projects”, not ordinary audio files.
To create an ordinary audio file you must “Export”.
Please see here for more details: