The user account name on a Windows device shows the name of the signed-in Microsoft account or work/school account. To change which user is signed in, select the Start button on the …

Learn how to change the email address or phone number that's associated with your Microsoft account.

Learn how to edit your name, shipping or billing addresses for your Microsoft account.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information …

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Learn how to change your Windows sign in from a local account to a Microsoft account to sync your settings across all your devices.

Oct 14, 2025 · Learn how to change default apps and protocol handlers in Windows, including an example about how to configure the default browser.

Get steps for how to change a known Microsoft account password.

Oct 14, 2025 · Changing the desktop background is a simple yet effective way to personalize your Windows device and make it feel more like your own. Whether you prefer a serene landscape, …

Learn how to change your account picture in Windows.

Keep your Office profile up to date so your teammates can get to know more about you, what skills you have, and what you're working on right now. Sign in to office.com/signin with your …