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Together, with the FIDO Alliance and other major platforms, Microsoft has announced support for the expansion of a common passwordless standard created by the FIDO Alliance and the World Wide Web consortium. These multi-device FIDO credentials, sometimes referred to as passkeys, represent a monumental step toward a world without passwords.
From Expansion of FIDO standard and new updates for Microsoft passwordless solutions – Microsoft Tech Community:
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You can use Windows Hello today to sign in to any site that supports passkeys, and in the near future, you’ll be able to sign in to your Microsoft account with a passkey from an Apple or Google device.
The three tech giants have said that passwordless sign-in will work across all the desktop, mobile, and browser platforms that they control. That’s a large portion of modern technology, covering everything from laptops and desktops to smartphones, tablets, and smartwatches.
It also covers the most used operating systems, including Android, iOS, Windows, and macOS. Also included are the three most used web browsers: Chrome, Edge, and Safari.