How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Creating a passkey. To create a passkey for your Microsoft account, follow these steps on the device for which you’d like to create a passkey:

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Learn how to set up your user account for multifactor authentication with Microsoft 365.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.