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Author Topic: Transfering PS files from PC to MAC  (Read 3226 times)

englishm

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Transfering PS files from PC to MAC
« on: September 05, 2007, 11:24:50 pm »

Anyone know if it is possible to save a photoshop .psd file created on a PC so that the file can be later read by PS on a MAC?

Perhas I need to save the PS file a TIF file?  Will it then be readable on a MAC, as are jpegs?  I need to save a layered file with all alpha channels etc. intact

Thanks
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Mark English
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Richowens

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Transfering PS files from PC to MAC
« Reply #1 on: September 06, 2007, 12:04:10 am »

Mark,

 As far as I know there will be no problem. A PSD file is a PSD file, whether you are on a Mac Or a PC.

 For what it's worth, I save everything in TIFF format. To me it is more universal than PSD.

 HTH

 Rich

 PS......I finally found this where Jeff Schewe recommends TIFF over PSD. This might make your decision easier.

 Wrong...PSD is now a bastardized file format that is NOT a good idea to use. Even the Photoshop engineers will tell you that PSD is no longer the Photoshop "native" file format. It has no advantages and many disadvantages over TIFF.

TIFF is publicly documented, PSD is not. That makes TIFF a preferred file format for the long term conservation of digital files.

TIFF uses ZIP compression for max compression, PSD uses RLE which if you save without the Max compatibility will be a bit smaller, but at the risk of not being able to be used by apps, like Lightroom.

TIFF can save EVERYTHING a PSD can save including layers, paths, channels, transparency, annotations and can go up to 4 GIGS in file size. TIFF can save all the color spaces PSD can. The ONLY thing I can think of that PSD can save that currently TIFF can't save is if you Save out of Camera Raw a cropped PSD, you can uncrop the PSD in Photoshop CS, CS2 or 3. That's one tiny obscure thing that PSD can do that TIFF currently doesn't. How many people even knew that let alone use it?

PSD used to be the preferred file format back before Adobe bastardized it for the Creative Suite. The moment that happened, PSD ceased to be a Photoshop "native" file format. PSB is the new Photoshop "native" file format for images beyond 30,000 pixels. And , at the moment, only Photoshop can open a PSB.

Getting back to the fist point, Adobe can do anything including stopping support for PSD because it's a proprietary file format. TIFF is public, even if it's owned by Adobe (by virtue of the Aldus purchase). Even if Adobe went belly up tomorrow, TIFF would continue.

And, let me be blunt, anybody who thinks PSD is "better" than TIFF is ignorant of the facts. If Adobe would let them, the Photoshop engineers would tell you to quit using PSD. Lightroom for the first beta did NOT support PSD and Hamburg fought tooth and nail to prevent having to accept PSD. He blinked, but you still can't import a PSD without Max compat enabled-which basically makes it a TIFF with a PSD extension.
« Last Edit: September 06, 2007, 12:28:47 am by Richowens »
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englishm

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Transfering PS files from PC to MAC
« Reply #2 on: September 06, 2007, 01:24:01 am »

Thanks Rich... just what I needed to know.
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Mark English
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peterhandley

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Transfering PS files from PC to MAC
« Reply #3 on: September 06, 2007, 12:06:42 pm »

PSD is PSD on the Mac or PC. The file should transfer between the two platforms without any problems. The only thing that might come up as an issue would be fonts. If you have a layer containing type you've set in PS, chances are it won't be properly recognized going from what platform to the other. Photoshop will prompt you if it cannot locate the identical font and it will replace it with the default when you go to edit the layer. That said, if you rasterize that layer, it'll be a non issue.
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