Find out how to download and install Office 2016 on your PC or Mac, or reinstall it if you already have a product key. Learn how to activate Office 2016 and troubleshoot common issues.

Learn how to protect yourself from the data breach of National Public Data, an online background check and fraud prevention service. Find out what data was exposed, the risks involved, and the actions to take with Microsoft Defender for Individuals.

Learn how to access your Outlook.com, Hotmail, Live, or MSN email account with your Microsoft Account username and password. Find solutions for common sign-in problems, such as unusual activity, account troubleshooter, and automatic sign-in.

Learn how the new Outlook for Windows differs from the classic Outlook in terms of account support, app framework, calendar, cloud instance, copilot, extensibility, folders, help and support, and security and compliance. See a feature coverage matrix and links to help articles for more details.

Learn how to create a rule that sends a carbon copy (Cc) of every email message you send to specified people or groups. You can also turn off the Cc rule on a per-message basis by using a category.

Learn how to use Contact Suggestions and the Add recipients window to add names and addresses to the To, Cc, and Bcc fields in Outlook. Find out how to hide or unhide suggested contacts and turn off Auto-Complete List.

Learn how to use a USB flash drive or DVD to install, reinstall, or perform a clean installation of Windows 10, 8.1, 7, or 11. Find the software download website, product key, and recovery options.

Learn how to sign in to Hotmail or Outlook.com with your Microsoft account password. Find troubleshooting tips, service status, and help options for Outlook.com issues.

Learn how to set your preferred home page in different browsers, including Microsoft Edge, Internet Explorer, Google Chrome, Firefox, and Safari. You can use a custom URL, a blank page, or the current page as your home page.

無法登入 Hotmail 或 Outlook.com？ Microsoft 會始終關注不常見的登入活動，以防其他人嘗試進入您的帳戶。 如果您旅行至新的地方，或使用新的裝置，我們可能會要求您確認是否實際是您。