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Hello I am setting up a new MacBook Pro with Lightroom classic. I want to have all of the work on the external drive. The 4T external drive is plugged in & I can see it in Finder.
When I go to Lightroom Classic, Preferences, I do not see an option for local storage. I've looked all the tutorials. How do you I ensure that everything is going to the external drive?
My photos filled the internal hard drive on my last Macbook Pro, so I'm trying to avoid that with this new computer.
A step-by-step tutorial would be most welcome. Thank you
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"How do you I ensure that everything is going to the external drive?"
Everything? Catalog and data sets?
I would recommend leaving the catalog on the internal drive, and just move the photos to the external drive, as it is the photos that take up most of the space. The instructions to move the photos are in "Part 2 — Updating Folder Location" of this document: http://www.computer-darkroom.com/lr2_find_folder/find-folder.htm
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Images can be anywhere on your computer, and you choose a location for them when you import, using the Destination panel on the right hand side of the import dialog.
It is recommended to create a parent folder that contains all your images.
If you import to an external drive, note that the drive must be connected to be able to edit the images.
Also note that Lightroom doesn't save images, it only saves the edits to the catalog, and applies these edits to a new file when you export an image.
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The reason you don’t see it in Preferences is that Lightroom Classic lets you store images on any local drive at any time, so a preference would be too constricting. There is no requirement to store all images within a single folder. They can be on any compatible local volume. I have Lightroom Classic track images stored on multiple internal and external volumes, because like you, I’m using a MacBook Pro with limited external storage. Most of my images are on an external volume, which Lightroom Classic has cataloged. But Lightroom Classic also catalogs a few images I wanted to keep on the laptop. Each volume is listed in the Folders panel, and in there, I can drag images among folders on the internal and external volumes.
If you want to control where imports go, you want to look in the Import dialog box:
As others recommend, my Lightroom Classic catalog is on my MacBook Pro, while the images themselves are mostly on the external volume. The catlaog only takes up a few GB so it will not use up all of the space on the laptop’s internal volume.
However, what you may want to manage is the Previews file for Lightroom Classic, which is in the same folder as the catalog. The more images you browse the larger it gets, and the Previews file (which caches previewed images to allow faster library browsing, a good thing) can become larger than the catalog file. But the Previews file is expendable, so you can trash it to free up space. Just be aware that the Previews file will grow again over time.