Get the steps for setting up dual monitors on your Windows PC.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.

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。

Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Learn how to change the email address or phone number that’s associated with your Microsoft account.

How to create, edit, and run Excel macros to automate data entry and tasks.