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.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive. You might be prompted for the BitLocker recovery key during startup, due to a security risk or hardware change:

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Office 2019 or 2016 for PC Office 2016 for Mac Office 2013 for PC. Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Use the Contact Suggestions List and Recent People suggestions for new Outlook. As you begin to type a name in a To, Cc, or Bcc box, the Contact Suggestions List shows up to five matching names or addresses.

How to start a scan for viruses or malware in Microsoft Defender. Applies To. Important: The National Public Data breach exposed personal information, including names, addresses, and social security numbers. Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud.

Si no puede iniciar sesión en su cuenta de correo electrónico de Outlook.com, Hotmail, Live o MSN, o no sabe con seguridad cómo iniciar o cerrar sesión, aquí tiene algunas soluciones.

[宛先]、[cc]、[bcc] ボックスで名前の入力を始めると、連絡先候補リストに一致する名前またはアドレスが最大 5 つ表示されます。 たとえば、受信者フィールドに " b " という文字を入力すると、リストに一致する入力候補が表示されます。