AIF/AIFF is an Apple lossless audio format usually storing uncompressed PCM data. You may have lots of .aif files but find them inconvenient to play back on your PC. Converting AIF to WAV format will get your problem resolved at once. This video shows an easy way to lossless convert AIF files to WAV in batch mode. For more information you can go to this link: https://www.videoconverterfactory.com/tips/aif-to-wav.html