打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭,请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备(以及网络,如果有)更容易受到未经授权的访问。
About Power Query in Excel - Microsoft Support
With Power Query (known as Get & Transform in Excel), you can import or connect to external data, and then shape that data, for example remove a column, change a data type, or merge tables, in ways that meet your needs. Then, you can load your query into Excel to create charts and reports.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Securely browse the web in Microsoft Edge - Microsoft Support
With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.
Cancel your Microsoft subscription - Microsoft Support
Note: In the following countries, you can cancel your subscription, and depending on the subscription length you may be entitled to a prorated refund.See Countries with prorated refunds for Microsoft subscriptions for more information. Any subscription length - Canada, Israel, Korea, and Turkey Subscriptions longer than 1 month and renewed - Denmark, Finland, Germany (purchases on or after ...
Applies To: Microsoft account dashboard
Use Excel as your calculator - Microsoft Support
Learn more about simple formulas. All formula entries begin with an equal sign (=).For simple formulas, simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use — the plus sign (+) to add, the minus sign (-) to subtract, the asterisk (*) to multiply, and the forward slash (/) to divide.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
OneDrive help & learning
Protect your most important files, like your passport, driver’s license, or insurance information with OneDrive Personal Vault. Get started with Personal Vault. Explore OneDrive. Protect & restore. Manage security, backup, and restore options for your files and photos.
Add, remove, or change time zones - Microsoft Support
At any time, you can change the time zone in Outlook so that it matches your current geographic location. Changing the time zone in Outlook is the same as changing it in the Windows Control Panel, and the change is reflected in the time displays in all other Microsoft Windows-based programs.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Sync OneDrive files and folders - Microsoft Support
Work with your files in your file system. Once you're synced, you’ll see your files in File Explorer. On a Mac, your files will appear under OneDrive in the Mac Finder.. If you use more than one account, your personal files appear under OneDrive – Personal and your work or school files appear under OneDrive - CompanyName.. You can copy or move files from your computer to OneDrive right ...
Applies To: OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Turn airplane mode on or off - Microsoft Support
Note: Airplane mode retains the settings you used last time.When you turn on airplane mode, Windows remembers if you had Wi-Fi or Bluetooth on last time, and keeps that setting so your Wi-Fi or Bluetooth will be on again.
Filter websites and searches using Microsoft Family Safety
Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.
Applies To: Microsoft Family Safety