Hi I back up my working catalog and images onto an external drive by using "import from another catalog" function. When I do this it picks the new photos to add and to update the metadata and development settings on images that have been modified. I normally do this every one or two months and did this yesterday and it needed to update this metadata for all of the images in the catalog. Normally I wouldn't do this again for another 8 weeks or so but I today added a new image to the work catalog and needed to backup using this method. Lightroom selected the new photo to import and, to my surprise, wanted to modify the metadata of all the other images (16+K) which takes quite a lot of time. Can you explain this because I don't think I worked on more than 3 or 4 images today so, by my reasoning, only those needed to be modified? Thanks PS. This time I selected "nothing" for metadata updates to save time, not sure if that was the right thing to do though. Using: iMac with Mojave OS LR 9.2 Work catalog is on external CIE drive Backup catalog is on different external CIE drive
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