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更改或删除第一页的页眉或页脚. 双击页眉或页脚区域（靠近页面的顶部或底部）以打开“ 页眉和页脚 ”选项卡。. 选中 “其他首页” 以查看是否已选中。. 否则：. 选择“ 首页不同 ”。. 删除第一页上页眉或页脚的内容。. 在页眉或页脚中键入新内容。. 若要 ...

VLOOKUP 第一个参数是要查找的值。 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。 第二个参数是单元格搜索范围 C2-:E7，VLOOKUP 在其中搜索要查找的值。 第三个参数是单元格范围内包含所查找值的列。 第四个参数可选。 输入 True 或 False。 如果输入 TRUE 或留空此参数，则函数将返回第一个参数中指定的值的近似匹配。 如果输入 FALSE，函数将匹配第一个参数提供的值。 换言之，可以自由选择是将第四个参数留空，或是输入 TRUE。 此示例演示函数的工作方式。 在单元格 B2（第一个参数）中输入值后，VLOOKUP 搜索单元格 C2-E7（第二个参数），并从范围中的第三列 E 列（第三个参数）返回最接近的近似匹配。

如果使用控制杆重新校准工具. 若要在主机上打开 Xbox 配件应用，请按 Xbox 按钮 打开导航页，然后在“档案和系统”下，选择“设置”>“设备和连接”>“控制器和耳机”。. 若要在个人电脑上安装 Xbox 配件应用，请访问 Microsoft Store：. Xbox 配件应用. 在主机上或 ...

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 7. Windows 8.1.

Guided support in your browser can provide digital solutions for Office problems. Try guided support. Learn more about product keys, assigned licenses, Workplace Discount Program, and volume license versions. Sign in to download and install Microsoft 365 or Office. Tip: Get tech expertise with Business Assist.

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

Go to microsoft365.com and sign in with your Microsoft 365 account. Select Install apps. Follow the instructions in the browser to download the installer and start your installation. Tip. As your apps are installing you might see the User Account Control prompt pop up and ask Do you want to allow this app to make changes to your device? Select Yes.

To turn on Windows Hello. Go to Start > Settings > Accounts > Sign-in options. Select the Windows Hello method that you want to set up, Select Set up. If you don't see Windows Hello in Sign-in options, then it may not be available for your device. Windows Hello does require a compatible camera or fingerprint reader.