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FILTER function - Microsoft Support
The FILTER function allows you to filter a range of data based on criteria you define.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android 平板电脑版, Excel for Android 手机版
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.
适用于: Microsoft 365 专属 PowerPoint, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Tips to improve PC performance in Windows - Microsoft Support
If your PC is running slowly, the following suggestions might help speed things up. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.
How to use alarms and timers in the Clock app in Windows 10
Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).
Find your IP address in Windows - Microsoft Support
For Wi-Fi connection. Select Start > Settings > Network & internet > Wi-Fi and then select the Wi-Fi network you're connected to.
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.
适用于: Microsoft 帐户仪表板
Create a presentation in PowerPoint for the web - Microsoft Support
Notes: If you're using the desktop version of PowerPoint on a Windows PC, see the PowerPoint Quick Start.. If you're using the desktop version of PowerPoint on a Mac, see Office for Mac Quick Start Guides and PowerPoint for Mac Help.
适用于: PowerPoint 网页版
Pin and unpin apps to the Start menu - Microsoft Support
Pin the apps you use most often to the Start menu. Here's how: Select Start from the taskbar, then find the app you want to pin in the list or search for it by typing the app name in the search box.
What to try if your touchscreen doesn't work - Microsoft Support
If your touchscreen isn’t responsive or not working how you would expect, try restarting your PC. If you’re still having problems, check for updates:
為您的 Windows 10 電腦進行磁碟重組 - Microsoft 支援服務
為您的 Windows 10 電腦進行磁碟重組 最佳化磁碟機可以讓電腦執行更為順暢,且開機速度更快。 若要最佳化: 選取工作列上的搜尋列,然後輸入 [ 整理]。