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My file IS NOT over 2GB!

Explorer ,
Jul 28, 2020

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Yet Photoshop tells me that it is and will not save as a .psd.  My file shows as only 950MB in the LLC of the PS window..  The dims are 9000 x 11000 pxls, 16 bit, with seven adjustment layers, mostly levels, sat and color correction.  I had to save it as a /psb and it was over 3 GB in the finder!  How can that be?  What else is PS doing to make it so big?

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My file IS NOT over 2GB!

Explorer ,
Jul 28, 2020

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Yet Photoshop tells me that it is and will not save as a .psd.  My file shows as only 950MB in the LLC of the PS window..  The dims are 9000 x 11000 pxls, 16 bit, with seven adjustment layers, mostly levels, sat and color correction.  I had to save it as a /psb and it was over 3 GB in the finder!  How can that be?  What else is PS doing to make it so big?

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JJMack LATEST
Most Valuable Participant ,
Jul 28, 2020

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How many layers, How many are smart object layers. 16bit vs 8bit double the pixels data 99MP canvas size Un compressed a layer can require 594,000,000 bytes of pixel data 7 adjustment layers are  all on a single image layer any masking involved.  A 99mp canvas size can pile up date even Adjustment Layers Layek mask can increase file size a single 99MP  channel can be 200MB times 7=1.4GB sill uncompressed that is only like 2GB do you set PSD and PSB compressing off in your preferences?

JJMack

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