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I got png fireworks with layers from job to slice. I have only Photoshop, but they said I could open it in Photoshop. I try to open this but, I have only prompt: "This PNG contains additional data for Adobe Fireworks, which will be discarded upon save" and image was flatten. My photoshop version is: CS5 v12.1 x64.

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A normal PNG cannot contain layers, and Photoshop will be unable to save it with layers. Your only option is to save it as a PSD or use Fireworks.

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But this is not normal PNG, it is Fireworks PNG – kspacja Sep 19 '12 at 23:04
Yes, but my understanding is that Photoshop cannot save a PNG as a Fireworks PNG- you'd need Fireworks to do that. – Laxsnor Sep 20 '12 at 3:52
Photoshop has to only open and Fireworks PNG was created in Fireworks. – kspacja Sep 20 '12 at 9:12

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