Windows 제품 키 찾기 - Microsoft 지원
Windows 7 또는 Windows 8.1의 제품 키 찾기. Windows 7 또는 Windows 8.1을 제거하거나 다시 설치하는 경우 제품 키가 필요합니다.
Applies To:
Microsoft account dashboard
IFERROR 函数 - Microsoft 支持
示例. 复制下表中的示例数据，然后将其粘贴进新的 Excel 工作表的 A1 单元格中。 要使公式显示结果，请选中它们，按 F2，然后按 Enter。
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, Excel Web App
WENNS-Funktion - Microsoft-Support
Mit der Funktion WENNS wird geprüft, ob eine oder mehrere Bedingungen zutreffen, und es wird der Wert zurückgegeben, der der ersten auf WAHR lautenden Bedingung entspricht. Bei WENNS können Sie bis zu 127 Bedingungspaare (der Test, ob etwas WAHR ist, und das Ergebnis, wenn etwas WAHR ist) einbeziehen. WENNS kann mehrere verschachtelte WENN-Anweisungen ersetzen.
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
Windows の Bluetooth の問題を解決する - Microsoft サポート
Windows の Bluetooth の問題をトラブルシューティングする方法について説明します。 Bluetooth デバイスまたはアクセサリの接続に関する問題を解決します。
Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
Telefonnummern für den globalen Kundendienst - Microsoft-Support
Um eine Telefonnummer für den Kundendienst in Ihrem Land zu finden, klicken Sie auf eine Region, und suchen Sie Ihr Land.
About Windows backup and sync settings - Microsoft Support
To find Sync settings, select Start , then select Settings > Accounts > Sync your settings . Choose from settings such as language preferences, passwords, and color themes. If you turn on Other Windows settings, Windows also syncs some device settings (for things like printers and mouse options), File Explorer settings, and notification preferences.
Applies To:
Microsoft account dashboard
Create or change a cell reference - Microsoft Support
Note: If you have a current version of Microsoft 365, then you can simply enter the formula in the top-left-cell of the output range, then press ENTER to confirm the formula as a dynamic array formula. Otherwise, the formula must be entered as a legacy array formula by first selecting the output range, entering the formula in the top-left-cell of the output range, and then pressing CTRL+SHIFT ...
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Керування обліковими записами користувачів у Windows
Дізнайтеся, як додавати облікові записи користувачів у Windows 10 і Windows 11. Наявність облікового запису дає всім користувачам змогу мати окремі файли, вподобання браузера та особистий робочий стіл.
Install optional drivers for your printer manually in Windows 11
Select the box next to the driver that's associated with the device you're attempting to install.