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Fri, Dec 1, 2017 9:58 PM


Using Lightroom Classic CC & Lightroom CC 2015 on the same Macintosh

This is just a note for anyone trying to use two Desktop versions of Lightroom (not the new LR CC) on the same Macintosh. I have upgraded one of my catalogs, but given the comments I have seen, I don't plan on upgrading the others any time soon.

It is straightforward using Creative Collection to install both versions of Lightroom (and other Adobe products) on the same computer. Thank you, Adobe, for allowing this.

However, once you have both versions, you need to keep the following in mind:

1) You can set different catalogs to launch in different versions of Lightroom. Just click on the catalog (.lrcat) in Finder and choose ⌘I (cmd-eye) and go to the "Open with:" menu.

2) However, Macintosh has a rule that if one version of a program is running, then the document will be opened by the already-open program in spite of choosing the other version in the Finder. In this case, you'll get an error message when LR tries to open the catalog (too old or too new, depending). So quit Lightroom before double-clicking on a catalog.



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