On 2013-11-15 3:19 PM, Don Cox wrote: > Assuming the microfilm is on a modern film base, it is not at all likely > to turn to dust. Silver-based film, provided it has been correctly > processed, is very long lived. > > You will give up on migrating your digital files before the microfilm > decomposes. > Hi, Don, My understanding is that a fair amount of microfilm is not silver-based but rather dye-based and is fading. I hope I'm wrong. I don't have time to Google this right now. Cheers, Richard -- Richard L. Hess email: [log in to unmask] Aurora, Ontario, Canada 647 479 2800 http://www.richardhess.com/tape/contact.htm Quality tape transfers -- even from hard-to-play tapes.