Winamp 5.56 (x86) (1/07/2009) - wersja podstawowa, darmowa; program obsługuje następujące typu plików: pliki audio: 669 (Composer 669 Module), AAC (MPEG-2 Advanced Audio Coding File), AIFF (Apple Audio Interchange File), AMF (DSMI AMF Module), AU (AU Format Sound File), AVR (Audio Visual Research File), CAF (Apple Core Audio Format), CDA (CD Audio Track), FAR (Farandole Composer Module), FLAC (Free Lossless Audio Codec File), HTK (Hidden Markov Model Toolkit Speech Recognition File), IFF (Apple Audio Interchange File), IT (Impulsetracker Module), ITZ (Compressed Impulsetracker Module), KAR (Karaoke MIDI File), M4A (MPEG-4 Audio File Format), MAT (Matlab Audio Format), MDZ (Compressed Protracker Module), MID (MIDI File Format), MIDI (MIDI File Format), MIZ (Compressed MIDI File), MOD (Protracker Module), MP1 (MPEG Layer 1 Audio File), MP2 (MPEG Layer 2 Audio File), MP3 (MPEG Layer 3 Audio File), MP4 (MPEG-4 File Format), MTM (Multitracker Module), NSA (Nullsoft Streaming Audio File), NST (NoiseTracker Module), OGG (Ogg Vorbis File), OKT (Amiga Oktalyzer Module), PAF (Paris Audio File), PTM (PolyTracker Module), PVF (Portable Voice Format File), RAW (Headerless RAW Waveform), RMI (MIDI File Format), S3M (Screamtracker 3 Module), S3Z (Compressed Screamtracker 3 Module), SD2 (Sound Desinger II Audio File), SDS (Raw Midi Sample Dump Standard File), SF (IRCAM Sound File), STM (Scream 2 Module)), STZ (Compressed Screamtracker 2 Module), ULT (Ultratracker Module), VLB (Dobry Very Low Bitrate AAC File), VOC (Creative VOC Format), W64 (Soundforge Wow 64 Format), WAV (Microsoft Wave Sound Format), WMA (Windows Media Audio File), WVE (Psion Series 3), XI (Fasttracker 2 Waveform), XM (Fasttracker 2 Module), XMZ (Compressed Fasttracker 2 Module); pliki list odtwarzania (playlist files): ASX (Advanced Streaming Redirector ASX), B4S (Winamp3 Playlist), M3U (M3U Playlist), M3U8 (M3U Playlist Unicode), PLS (PLS Playlist), WPL (Windows Media Playlist); pliki wideo: ASF (Advanced Streaming Format), AVI (AVI Video Format), FLV (VP6 Flash Video), M2V (MPEG-2 Video Format), MPEG (MPEG Video Format), MPG (MPEG Video Format), NSV (Nullsoft Streaming Video), SWF (Shockwave Flash), WMV (Windows Media Video File); pliki programu Winamp: WAL (Winamp Skin Modern), WLZ (Winamp Language Pack), WSZ (Winamp Skin Classic).