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What are all the files after exporting the catalog?

New Here ,
Jun 14, 2022 Jun 14, 2022

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Screen Shot 2022-06-14 at 15.26.02.png

What are the "Helper", "Previews", and .lrcat-data files for?

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LEGEND ,
Jun 14, 2022 Jun 14, 2022

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Helper and Previews can be deleted if you want, Lightroom Classic will re-create them as needed. Smart-Previews are something that you asked LrC to create, they contain the Smart Previews; if you no longer want the Smart Previews then this file can be deleted. 

 

Lrcat-Data should not be deleted and should stay with the .LRCAT file; this contains information needed by the new masking feature.

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Community Expert ,
Jun 14, 2022 Jun 14, 2022

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The Helper file contains information Lightroom uses but does not store in the catalog itself. It holds cached data to help performance, like folder information. Previews are the images you look at when you look at your photos in Lightroom. Lightroom does not alter the original images, so in order to show you what your edited image looks like, it creates a preview and that is what you are looking at. Do not delete these files for no reason, because that will only slow you down.

 

-- Johan W. Elzenga

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