A QR code is simply a link in a form a camera can read. Publish a form with Forms 365 Web and it gets a public URL. Turn that URL into a QR code, print it, and anyone who scans it opens the form in their phone browser. No app, and no Microsoft account to sign in with.
Where it earns its place
It fits the moments where typing a web address would lose people. A feedback code on a receipt or a table. An incident report code on a noticeboard at a work site. A registration code on an event flyer. A sign-in code at a reception desk. In each case the person scans, fills in a short form, and gets on with their day.
Where the answers go
Every submission writes into a SharePoint list in your own Microsoft 365 tenant, so the responses land where your team already works. Your views and filters apply, and any flow you run on that list runs on the scanned submissions too. The QR code is just the front door; the data still arrives in a place you can report on.
If the code will point people at an internal form rather than a public one, remember the difference in who can open it: a public web form needs no account, while an internal list form still asks the person to be signed in to your tenant. For anyone outside the organisation, the public web form is the one to put behind the code.
Put a form behind a QR code.
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