When you export an image from the Photos app in macOS, you may not be getting the whole deal. In the export menu, you need to select either JPEG, TIFF, or PNG, and if you don't make any adjustments to the quality settings, it'll likely be compressed. If you need the original full-resolution file or want to get the video that's attached to a Live Photo, there's a simple way to do it. You can get the original file by dragging and dropping in conjunction with a keyboard modifier, or you can get ...