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by shravan 4282 days ago
Nop, it's a reference to Photoshop's Large Document Format. [1]

[1]: http://helpx.adobe.com/photoshop/using/file-formats.html#lar...
1 comments
michaelmior 4282 days ago
Cool. It's been a while since I've used Photoshop on a regular basis, so I'm out of the loop. It just seemed odd given that psd is used directly underneath the icon.
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michaelbuddy 4282 days ago
Since I've know about it, I've liked the extension because in .PSB, the B is for big.
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