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how to remove picture previews systemdata 816,31 GB

New Here ,
Jul 19, 2022 Jul 19, 2022

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how to remove picture previews systemdata 816,31 GB

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Community Expert ,
Jul 19, 2022 Jul 19, 2022

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If you are referring to the catalog file-type that is {Catalog name Previews.LRDATA}, then you can simply delete this one file in Finder (Drag to Trash). Do NOT trash your Catalog {.LRCAT} file!!.

Naturally Lightroom-Classic will not operate without a Previews cache, (Previews are what you see in the catalog!) so it will begin to re-build these previews as you view images in the catalog (OR you choose- MENU: Library > Previews > Build......)

 

Regards. My System: Lr-Classic 12.1 Photoshop 24.0.1, ACR 15.1, Lightroom 6.1, Lr-iOS 8.0.8, Bridge 13.0.1, Windows-11.

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New Here ,
Jul 27, 2022 Jul 27, 2022

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Hello

I can´t find the catalog in finder.

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Community Expert ,
Jul 27, 2022 Jul 27, 2022

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Open 'Catalog Settings > General' tab and the loctaion is shown. You can even use the 'Show' button to access it directly. See attached screenshot.

 

Untitled-1.png

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Community Expert ,
Jul 27, 2022 Jul 27, 2022

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As you've tagged MacOS, you can also hold Command and click on the the title bar of the catalog, which opens a folder list. Select the folder from the list to open it. 

titlebar.jpg

 


Sean McCormack. Author. Magazine Writer. Former Official Fuji X-Photographer.

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New Here ,
Jul 27, 2022 Jul 27, 2022

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Hello Sean

Thanks for your answer. I can´t find the problem about the big amount of systemdata. 

Could you take over my computer.

 

Best Regards

jorgen norgaard

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