: Look for a sticker on the DVD case or a card inside the retail box. Command Prompt (OEM only)
Email ConfirmationFor digital purchases made through third-party retailers (like Amazon or Best Buy), the product key is often sent via a confirmation email. Search your inbox for "Microsoft Office" or "Digital Receipt." index of ms office 2016 product key top
If you need Office 2016, here are your safe, legal options: : Look for a sticker on the DVD