Using Lightroom on a Mac and PC

New Here ,
Dec 09, 2021 Dec 09, 2021

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I currently store all of my photo and light room catalog on a portabel ssd drive.    I have been mostly using lightroom between home and work on  windows os.  I recenlty purchased a mac book pro  coding  and some administrative mac support work.    I was able to load my lightroom cataglog on the mac from my ssd drive with no problem.  When I went back to my pc with the portable drive my lightroom catalog told me that I had no photos.  I checked the location of the phots etc and they most of them are point at the ssd drive but with a mac path volume\etc\etc .   Is there away that I can use the catalog on both pc and mac with out this problem.  Thanks 

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Cross-app workflows , macOS , Windows

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Adobe Community Professional ,
Dec 10, 2021 Dec 10, 2021

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Make sure that the usb drive is connected to the Windows system every with the same drive letter.

https://www.windowscentral.com/how-assign-permanent-drive-letter-windows-10

 

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Adobe Community Professional ,
Dec 10, 2021 Dec 10, 2021

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The problem is a bit more complicated than just fixing the Windows drive letter. The problem is that MacOS does not use drive letters, but disk names. The link to an image in a catalog used on a Mac will start with that disk name, and so that image will be 'missing' when you open the catalog on a Windows computer and vice versa. You would have to use 'Find Missing Folder' each time you switch between Windows and Mac. Using a fixed drive letter in Windows will not solve this.

 

The solution is to make sure that Lightroom uses 'relative links', that do not include the disk. That can be accomplished in the following way: Store your images in a folder (hierarchy) inside your catalog folder. In that case Lightroom uses links like this: .../Folder/Subfolder/Image. The three dots tell it to start with the catalog folder, and so the disk name or drive letter is no longer and issue.

 

-- Johan W. Elzenga

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New Here ,
Dec 10, 2021 Dec 10, 2021

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Is there anyway to reverse this process and get the catalog to work back on the pc ?  Is there a mas way to find all the images again ?  Thanks

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LEGEND ,
Dec 10, 2021 Dec 10, 2021

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Find the images (see Figure 4 and associated text):

 

http://www.computer-darkroom.com/lr2_find_folder/find-folder.htm

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Adobe Community Professional ,
Dec 10, 2021 Dec 10, 2021

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@JIMMY1587 wrote:

Is there anyway to reverse this process and get the catalog to work back on the pc ?  Is there a mas way to find all the images again ?  Thanks



Yes, you should reconnect by folders, not individual images. If you reconnect the top folder of a hierarchy, all subfolders and all images inside those subfolders will be reconnected all at once. https://www.lightroomqueen.com/lightroom-photos-missing-fix/

 

-- Johan W. Elzenga

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