Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

If you want to change or reset the password you use to sign in to Windows, you have different options. This article outlines the different approaches you can take, whether you’re using a Microsoft account or a local account, logged in or at the sign-in screen.

Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.

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

Block or unblock senders in Outlook. You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

If you're having problems accessing Outlook.com, you can see the status of Microsoft Office Online Services at the Service Health portal. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues . Last updated: 2 April 2024.

A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

若要登入 Hotmail，您將需要您的 Microsoft 帳戶使用者名稱和密碼。. 提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。. 或者，選取 [不要再顯示這個] 方塊，然後選取 [否] ，這樣每次都會提示您輸入密碼 ...