What is the difference between the cat of the IR and IR data files in lightroom it please

I have cat IR and IR data files in my backup. These two are big files of 500 MB, 900 MB respectively. My understanding is that these records did not contain real images but only thumbnails with the mods of lightroom. What is the difference between the cat of the IR and IR data files and should I make a second copy of both or the cat IR file

The.lrcat is the file in your catalog. This is an important safeguard.

The .lrdata files have previews. These can always be regenerated from the library, but it could take some time a large catalog.

It is advisable to save them both. But if you are short on disk space, save the .lrcat file.

Tags: Photoshop Lightroom

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