即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

How to sort and organize your Excel data numerically, alphabetically, by priority or format, by date and time, and more.

When you install this package, the following packages or updates are installed per your operating system: In Windows 7 Service Pack 1 (SP1) and Windows Server 2008 R2 SP1, .NET Framework 4.7.2 is listed as an installed product under the Programs and Features item in Control Panel.

Erleben Sie das Web auf ganz neue Weise, indem Sie von Internet Explorer oder Der Vorgängerversion von Microsoft Edge zum Microsoft Edge-Browser wechseln.

Outlook Data Files contain your email messages, calendar, tasks, and other items on your computer.

You can customize keyboard shortcuts (or shortcut keys) by assigning them to a command, macro, font, style, or frequently used symbol. You can also remove keyboard shortcuts.

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

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。