Gee, looks like Audacity is really the wrong way to go. Doesn't even make "wav" files, never mind BWF! Try "WaveLab" Yeah it's a bit pricey but at least your data will last. Adrian On Mar 4, 2011, at 6:17 PM, Matt Sohn wrote: >> I think if you delete these, you are deleting your audio. >> >> I do not think Audacity is a native WAV editor like say >> Samplitude, Sequoia, Goldwave, Wavelab, etc. > >>> We use Audacity to convert our reel to reel tapes into digital >>> files. We recently noticed that there are a bunch of extra >>> >>files that end in .auf They are all about 1000 KB and have a >>> name along the lines of b02720. There are TONS of >>these files. >>> We are wondering what they are and if it is safe to delete them >>> or not? > > Yes, Audacity stores its data as Project files, which are not > compatible with any other program. > To make these files into WAV files, you need to open each project > and choose the "Export as WAV" command (there are options for mp3 > and OGG Vorbis as well). > Unfortunately, there is no batch function for this. > I have no idea why Audacity has this quirky, incompatible way of > doing things, but that's they way they do it. > > -Matt Sohn