How iPhone Photographers Can Send Files That Actually Work on Windows and Older Systems
https://www.bookmarkingqueen.win/how-one-heic-file-img-8558-heic-exposed-a-cloudconvert-drag-and-drop-flaw-and-forced-a-practical-workflow-overhaul
If you shoot on an iPhone and hand off files to clients who use Windows, older laptops, or picky corporate systems, you already know the pain