Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

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

Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Get help with using mail, calendar, and contacts on Outlook.com.

Microsoft Edge を使用すると、Web を参照するときにパスワードを簡単に保存できます。 デスクトップまたはモバイル デバイスの Edge ブラウザーで新しいパスワードを入力すると、ユーザー名とパスワードを記憶するかどうかを Microsoft Edge から確認するメッセージが表示されます。

Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.