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如何下载和安装最新的打印机驱动程序 - Microsoft 支持
Windows 11 Windows 10. Windows 11 Windows 10. 大多数打印机要求安装最新的打印机驱动程序，以帮助打印机正常工作。. 如果遇到停电、计算机病毒或其他问题，驱动程序也可能损坏。. 如果打印机没有响应，下载并安装最新的打印机驱动程序通常可以解决这些问题。.
Surface power supplies and charging requirements
The model number for the Surface power supply unit is in small print in one of two places—on the bottom of the unit or on the adapter itself. Note: The USB port available on some power supply units is only for charging other devices while your Surface is charging and can’t be used to transfer data. For info on how to properly care for the ...
How to set your time and time zone - Microsoft Support
In Date & time, you can choose to let Windows 10 set your time and time zone automatically, or you can set them manually.. To set your time and time zone in Windows 10, go to Start > Settings > Time & language > Date & time.. Open Date & time settings
联系我们 - Microsoft 支持部门
选择你需要帮助的产品. 我们将首先向你显示自助选项。. 其他帮助也可提供，包括与 Microsoft 专家的实时聊天。. 联系 Microsoft 支持人员。. 查找常见问题的解决方案，或从支持专员那里获取帮助。.
SUMPRODUCT function - Microsoft Support
Here, the formula is: =SUMPRODUCT ( (B2:B9=B12)* (C2:C9=C12)*D2:D9). It first multiplies the number of occurrences of East by the number of matching occurrences of cherries. Finally, it sums the values of the corresponding rows in the Sales column. To see how Excel calculates this, select the formula cell, then go to Formulas > Evaluate Formula ...
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
TOPLA işlevi - Microsoft Desteği
TOPLA işlevi değer ekler. Ayrı değerler, hücre başvuruları, aralıklar veya bunların üçünü birlikte kullanabilirsiniz. Örneğin: =TOPLA (A2:A10) A2:10 hücrelerindeki değerleri ekler. =TOPLA (A2:A10, C2:C10) A2:10 ve C2:C10 hücrelerindeki değerleri ekler.
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
Outlook の [宛先]、[Cc]、[Bcc] フィールドで推奨される受信者を管理する - Microsoft サポート
Outlook で [ 宛先 ]、 [ CC ]、 [ BCC] のフィールドに入力を開始すると、入力した内容に基づいて候補が表示されます。. 使用している Outlook のバージョンに応じて、以下のタブ オプションを選択します。. 所有している Outlook のバージョンが不明な場合。. 注 ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Office 中的产品帮助在哪里？ - Microsoft 支持
下面是操作方法：. 选择“文件”>“选项”>“快速访问工具栏”。. 在显示“从中选择命令”的下拉列表中，选择“所有命令”。. 从要添加到快速访问工具栏的命令的列表中选择“帮助”。. 单击“ 添加 ”。. 完成后，单击“确定”。. 帮助快捷键将添加到左上 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Visio Professional 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Visio Professional 2016
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.