Actually, it may have been that I hadn't updated to High Sierra. Odd- I thought the iMac would've arrived with it already loaded (particularly because I had to load updated versions of iMovie, Pages, et al) but I guess not. After I did that, the videos all appeared. Thanks for responding!
Actually, it may have been that I hadn't updated to High Sierra. Odd- I thought the iMac would've arrived with it already loaded (particularly because I had to load updated versions of iMovie, Pages, et al) but I guess not. After I did that, the videos all appeared. Thanks for responding!
It is likely your video is using the HEVC codec and that is causig your problem. See this link iphone video not showing for import iphone video not showing for import
iMovie on new iMac not seeing videos from iPhone 8 plus.
