Yes, you can use same catalog on multiple computers.
In order to achieve this, you need to keep the catalog and the images on a external hard drive.
The computer which you want to use, just connect the external hard drive. Open the catalog from its location and you can start where you have left, last time u accessed.
Please let us know if this helps.
Thank you for responding, Mrinmay.
Would I need to have the RAW files on both computers, or could I access them from a cloud service, or the hard drive that I linked in my original post?
Thanks, Chetna. Just wondering why it's better to store them on an external hard drive opposed to the one I linked? It is a hard drive, it just has the ability to act as cloud storage since it can be accessed from what I can understand. It's a NAS?
>, it just has the ability to act as cloud storage since it can be accessed from what I can understand. It's a NAS?
You shouldn't try to put a catalog on a networked drive. Lightroom will not work with it. It has to be physically connected. The raw files themselves can be on a networked drive but not the catalog file.
Can I put the catalog on a wireless external hard drive so that both computers could access it wirelessly?
Yes you can put the catalog on the wireless external drive. it might work
But adobe does not recommend saving the catalog on the Network/ wireless drive.
No wireless implies networked. You can't have a catalog on a network drive.
I feel bad for asking so many questions, but I'm just really trying to understand why it wouldn't be possible to put the catalog on a network drive? Is it just not recommended because then I, as the user would be responsible for closing the catalog on each device before opening it on a new device, or is it just not possible?
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Lightroom blocks you from doing it. It won't open a catalog that is hosted on a network connected drive. This has a technical reason rooted in the type of database that is used for the catalog file and locking of the file to the computer that has it open and is done to prevent corruption of the catalog file. There are tricks you can use in order to make your computer think the network drive is actually local but those are hacks so I wouldn't recommend doing it. Some people put their catalog in a dropbox (or some other syncing solution) folder and put the images on a NAS drive. You then just have to make sure you quit out of Lightroom on one computer and wait for it to sync to your other computer. This is quite dangerous for the same reason as putting your catalog on a network drive is. There is a large potential for corruption.
Lots of people would want a catalog that can be opened from a network but Lightroom would have to be fundamentally rewritten to do it. It's currently not really possible without some major caveats.