在 Windows 中配对蓝牙设备 - Microsoft 支持
在快速设置中: 若要查找蓝牙的快速设置,请选择任务栏右侧的时间和日期旁边的 网络、 声音或 电池 图标 ( ) 。选择“蓝牙 ”将其打开。 如果在未连接任何蓝牙设备的情况下打开,则它可能显示为“未连接 ”。 如果在快速设置中看不到蓝牙 ,则可能需要添加它。
Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Office Help & Training
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Set up Bluetooth on your Xbox Wireless Controller
Turn on your controller by pressing the Xbox button .; Press the controller’s Pair button for 3 seconds and release.; On your PC, select the Start button , and then select Settings > Devices > Bluetooth (on Windows 11, select Settings > Bluetooth & devices).; Use the toggle to turn Bluetooth to On so that your Windows device can discover other Bluetooth devices.
Create a bibliography, citations, and references - Microsoft Support
Create a bibliography using built-in common citation formats like APA, MLA, or Chicago.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
How to change your Microsoft account name or address
Change display name. You use your display name whenever you sign in to your account. You'll also see it on any Windows devices that you've signed into with your Microsoft Account, and it's the name people see when you send emails or participate in an Outlook.com group.
Applies To: Microsoft account dashboard
Count how often a value occurs - Microsoft Support
The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Recover an earlier version of an Office file - Microsoft Support
If the AutoRecover option is turned on, you can automatically save versions of your file while you’re working on it. How you recover something depends on when you saved it. If you’ve saved the file. Open the file you were working on.
Applies To: Excel for Microsoft 365, PowerPoint for Microsoft 365, Excel 2021, PowerPoint 2021, Excel 2019, PowerPoint 2019, Excel 2016, PowerPoint 2016