On Apr 11, 2005, at 9:38 PM, Shel Belinkoff wrote:

Layers also increase the size of a file and the save time, especially when
using TIFF files. Using a PSD file with layers usually results in smaller
file sizes on disk compared to TIFF and, for many people, open and save
faster in many instances. Of course, this is on a PC, although I don't
imagine a Mac would be much, if any, different. Depending on the number
and type of layers, I see anywhere from a 15% to a 50% reduction in file
size with PSD compared to TIFF, mostly in the 25% or so range.

Yes ... No different on Mac OS X. Size matters. ;-)

I use .PSD file format exclusively for this reason.

Godfrey



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