Photoshop: Why are Smart Objects created as PSB files?

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  • Updated 6 years ago
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  • (Edited)
CS5, Using Legacy Channel Shortcuts Option ON.

Scenario: when editing a Smart Object Layer (Photoshop file), it opens as PSB file.

Photoshop Smart Object file opens as PSB regardless it's size.

Was this intended? And if the answer is yes, what are the benefits?
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roman weiser

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Posted 6 years ago

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Chris Cox

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Official Response
Yes, that is intended. When you create a Smart Object, we don't know what you're going to put in it and it needs to handle anything Photoshop can read or write - so it uses the most compatible format: PSB.