There are now two versions of Outlook for Windows: new Outlook for Windows and classic Outlook for Windows. To determine if the Outlook for Windows version you're using is new Outlook or classic Outlook, check if there's a File tab on the ribbon. If File doesn't appear, you're using new Outlook.If you have a File tab, you're using classic Outlook.

Plug the USB end of the adapter into a USB charging port on your second display. If your display doesn't have a USB charging port, plug the USB end into any standard USB Type-A charger with 5W (5V/1A).

If you continue to experience issues signing in with your original profile, disable Windows Defender services: Open the Services app by typing services in the search box on the task bar and selecting it from the list of results. Then, find the Windows Defender Advanced Threat Protection and Microsoft Defender Antivirus services, right-click each of them, select Properties , and change Startup ...

You weren't able to find your username. If the username lookup wasn't successful, try looking for your Microsoft account username within other products or services that you know are associated with that account. Read check your products or services to find out how.

2. Install any applicable firmware updates. If you have a Surface device, see Security issue for TPM on Surface devices for more information and instructions.. If your device is not from Microsoft, locate the device manufacturer of your device in the following table, select the corresponding link, and apply the firmware update that's provide.

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。

If you don't have a digital license or product key. If you don't have a product key or digital license, you can purchase a Windows 10 digital license after installation finishes. Follow these steps to make a purchase: Select the Start button, then select Settings > Update & Security > Activation .

If you're using a Microsoft Exchange, Microsoft 365, or Outlook.com account, your email messages are backed up on your email server. In most cases, you won't have a Personal Folders file (.pst) for these types of accounts. In order to view some of the backup files for Outlook, you'll need to unhide system folders and file name extensions.