Why WhatsApp HEIC Photos Won't Open on a Client Computer — and What Actually Works

https://thedatascientist.com/heic-to-jpg-converter-best-worst-options/

You're sitting across from a client, they hand you a USB stick or forward a WhatsApp chat, and the photo won't open on the computer. The file extension reads .HEIC and Windows gives you the digital equivalent of a shrug