Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

In Microsoft Teams (free) in Windows 11, you can get SMS text messages when you link your Android device with Link to Windows. You can quickly and easily get to the things you use every day—your contacts, SMS text messages, create Meet now links for video chats, and see notifications.

Under Send automatic replies inside your organization, enter the message to send while you're away. (You can use the formatting options for text alignment, color, and emphasis.) To set up automatic replies to other people, select Send replies outside your organization, then add a separate message for that audience.

Learn how to start a one-to-one chat with SMS participants and send invites for others to join Microsoft Teams (free), so you can chat with them.

Find your files in Windows 10 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar. You'll see results for documents across your PC and OneDrive under Best match.

Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.