"Linked Duplicates" was already turned on. When I import the photos they come in as IMG_1.CR2, IMG_1.JPG, IMG_2.CR2, IMG_2.JPG, etc.
I change the sort order to show first all CR2 and then all JPG....

Thank you, but I was hoping to avoid using the Photos App. I prefer Windows Photo Viewer.

I store both RAW (CR2) and JPG versions of all my photos, with each folder sorted by type. Before Windows 10 this allowed me to view all the JPGs without the CR2 (which take longer to load). The new...