The following file formats, are supported by Any Time for reading (R) and / or writing (W):

Ext.R/WFormat description
AACR+WMPEG-2/4 Advanced Audio Coding format (ADTS container format). *
AACRMPEG-2/4 Advanced Audio Coding format (ADIF container format). *
AACRMPEG-2/4 Advanced Audio Coding format ('raw' format). *
AIFCRCompressed Audio Interchange File Format.
AIFR+WAudio Interchange File Format.
AIFFR+WAudio Interchange File Format.
AUR+WSun/NeXT/DEC audio files.
FLACR+WFree lossless audio codec files. *
M4AR+WiTunes MPEG-4 audio format. *
MOVR+WApple QuickTime movie format. *
MP1RMPEG audio streams, layer I.
MP2R+WMPEG audio streams, layer II. *
MP3R+WMPEG audio streams, layer III. *
MP4R+WMPEG-4 base media file format. *
MPARMPEG audio streams, layer I, II, 'II½' or III.
MPEGRMPEG system streams, audio+video.
MPGRMPEG system streams, audio+video.
OGGR+WVorbis Ogg streams. *
W64R+WSonic Foundry Wave-64 format.
WAVR+WMicrosoft wave format.
WMAR+WWindows Media Audio 4. *
WMAR+WWindows Media Audio 9 CBR. *
WMAR+WWindows Media Audio 9 ABR. *
WMAR+WWindows Media Audio 9 VBR. *
WMAR+WWindows Media Audio 9 Voice. *
WMAR+WWindows Media Audio 9 Lossless. *
WMAR+WWindows Media Audio 9 Pro CBR/ABR/VBR. *

Legend of symbols used:

RIndicates support for Reading a format.
WIndicates support for Writing a format.
Indicates that the format can be auto-detected - even with the wrong extension.
*Indicates that a free 3rd party add-on may be needed for reading and/or writing certain compressed data formats (click on the format extension to get more info).