Note: UEFI passwords are used primarily by enterprises and IT professionals to limit the types of changes that employees can make to their devices.If you're part of an enterprise, contact your IT administrator if you have any questions or issues with your UEFI password. If you aren't part of an enterprise and choose to create a UEFI password, make sure to document your password in a safe place.

In the Office Add-ins box, select My Add-ins to view your add-ins. Or browse for the add-in you want by selecting Store tab and using the Search box. Click an add-in to read more about it, including a longer description and customer reviews, if available.

Under Delegate Permissions, set these five options to None: Calendar, Tasks, Inbox, Contacts, and Notes.. Selecting None for each of these options gives the delegate the basic ability to send messages on your behalf, but nothing more. Grant the delegate additional permissions (such as the ability to see your inbox) by selecting Inbox, and from the dropdown select Reviewer, Author, or Editor.

Use a code. Select Teams on the left side of the app, then select Create and join teams and channels at the top of your teams list.

Microsoft family settings might be hiding apps. Parents can use family settings to make sure that their child can't view or install apps that are inappropriate for their age.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

Send in your Surface. If none of the previous solutions have resolved your issue, you can send in your Surface. If you decide to send it in, go to Device service and repair and sign in with your Microsoft account. If your device is already registered, select it and follow the instructions.

No matter where you live, work, or roam, there’s a version of Microsoft OneNote to fit your needs. Whether you’re on a PC, a Mac, in a browser, or on a mobile device, each version of OneNote lets you reliably access your cloud-connected notebooks to capture your thoughts and ideas.

Airplane mode gives you a quick way to turn off all wireless communications on your PC. Some examples of wireless communications are Wi-Fi, cellular, Bluetooth, and Near Field Communication (NFC).

Under Region and time zones settings, select the language, date and time formats, and the time zone you want to use.