Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

To save Outlook contacts to your native address book: First go to Device Settings > Contacts and confirm that the 'Default Account' is set to 'iCloud'. If you do not see this setting that is OK, the setting should only be available if you have more than one account added to your device. If there is no account connected to the device, then your Outlook contacts will be saved locally but will ...

Alpha Ring (2606.260520-2200) Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Alpha ring today. Continue reading below to learn all about what's included with this update.

Note Microsoft Authenticator is not available for PC or Mac, because authenticator apps are designed for smartphones for security reasons. Learn more. Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date. Users in China should read how to download and use Microsoft Authenticator in China.

您一次只能登入一個設定檔。 我們建議您為設定檔建立 PIN，以保護您的帳戶安全並防止未經授權的使用。 您設定的 PIN 會跟隨您到您使用的任何 Xbox 主機。 如需深入了解，請參閱： 管理 Xbox 設定檔的 PIN 當您登入或登出時，您的 Xbox 設定檔會在 Xbox 網路上自動更新。 如果您上次使用其他主控台 ...

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Check the Xbox services, games, and apps for any service outages.

Find out how to order custom toppers for the Xbox Wireless Controller, Xbox Elite Wireless Controller Series 2, or the Xbox Adaptive Joystick.

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.