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Add or subtract dates - Microsoft Support
Add or subtract days, months, or years from a date by using a formula or date functions in Excel.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。
Applies To: Outlook.com
Filter by using advanced criteria - Microsoft Support
If the Excel data you want to filter requires complex criteria you can filter by using advaned criteria.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
How to sign in to MSN - Microsoft Support
By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
即使已开启其他防火墙,开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙,请执行以下操作:
Troubleshoot Surface Type Cover or Keyboard - Microsoft Support
There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates
Change the refresh rate on your monitor in Windows
Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.
Change the column width or row height in Excel
You can manually adjust the column width or row height or automatically resize columns and rows to fit the data.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Change from a local account to a Microsoft account
Learn how to change your Windows sign in from a local account to a Microsoft account to sync your settings across all your devices.