查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Go to Your info at the top of the page.; Select Manage how you sign in to Microsoft.; Select the alias that you want to remove. If it’s a primary alias, select a new primary before you remove the old one. To do so, select one of the other aliases that are on the account, and then select Make primary.; You’ll use this new primary alias to send and receive emails, access your Microsoft ...

只要其中一个表具有与所有其他表共有的字段，就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿，且旧版本不支持将多个表作为数据源的数据功能，这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表，则该数据功能可在较旧版本的 ...

You usually won't need to know the name of your Exchange server. If you do, contact the people who gave you the Exchange email address and ask them for the name of the Exchange server. When you set up a mobile device, the AutoDiscover feature will find the name of your Exchange server and mailbox, and configure Outlook for you.

HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).

Microsoft family settings might be hiding apps. Parents can use family settings to make sure that their child can't view or install apps that are inappropriate for their age.

Change playback options. Select the audio icon and then select the Playback tab. Then select which options you'd like to use: To trim the audio, select Trim and then use the red and green sliders to trim the audio file accordingly.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Before you start. Check these things before you start troubleshooting Bluetooth on your device: Check your product information. If you’re setting up a new device and Bluetooth is missing, check the product specifications to make sure it has Bluetooth capabilities.