修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。
วิธีการลงชื่อเข้าใช้ Hotmail - ฝ่ายสนับสนุนของ Microsoft
Hotmail เปลี่ยนชื่อเป็น Outlook.com แล้ว เรียนรู้วิธีการลงชื่อเข้าใช้เพื่อเข้าถึงบัญชีอีเมล Outlook.com, Hotmail, Live หรือ MSN ของคุณ
Applies To:
Outlook.com
ファイルを開くプログラムを変更する - Microsoft サポート
ファイルをダブルクリックすると Windows が開くファイルの種類を変更します。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, Access for Microsoft 365, Publisher for Microsoft 365, Excel 2019, Word 2019, Outlook 2019, Access 2019, Publisher 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, Access 2016, Publisher 2016, Visio Standard 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Access 2013, OneNote 2013, Project Professional 2013, Project Standard 2013, Visio Professional 2013, Visio 2013, Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, Access 2010, OneNote 2010, Project 2010, Project Standard 2010, Publisher 2010, Visio Premium 2010, Visio 2010, InfoPath 2010, InfoPath 2013
LOOKUP 函数 - Microsoft 支持
向量形式. LOOKUP 的向量形式在单行区域或单列区域（称为“向量”）中查找值，然后返回第二个单行区域或单列区域中相同位置的值。. 语法. LOOKUP(lookup_value, lookup_vector, [result_vector]) LOOKUP 函数向量形式语法具有以下参数：. lookup_value 必需。LOOKUP 在第一个向量中搜索的值。
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
Set up the Microsoft Authenticator app as your verification method
Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.
Use @mentions to get someone's attention in Microsoft Teams
To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.. When an @mention recipient receives a notification, selecting it takes them directly to the point in the conversation where they were mentioned.
Applies To:
Microsoft Teams
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Xbox Support
Xbox Support 为 Xbox、Game Pass 和账单问题提供帮助。在 Xbox Support 社区中获取建议和客户服务。
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To:
Office 2019
Excel 日历模板 - Microsoft 支持
许多 日历模板 可用于 Microsoft Excel 。 模板提供了一个基本日历布局，可以轻松适应你的需求。 Excel 日历模板可能具有以下一个或多个功能： 一张或单独的工作表中的 12 个月。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016