Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Learn how to concatenate text strings in Excel using the CONCATENATE function. Our step-by-step guide makes it easy to join two or more text strings into one.

Microsoft Edge makes it easy to save your passwords as you browse the web. When you enter a new password in the Edge browser on your desktop or mobile device, Microsoft Edge will ask if you want your username and password remembered.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

How many messages can I see? We show text messages that you've received or sent while you are connected to Phone Link via Bluetooth. If you end your Bluetooth connection all message history will disappear.

Learn how to use the On-Screen Keyboard (OSK) instead of a physical keyboard to type and enter text on your PC.

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.