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View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To: Microsoft account dashboard
Open Device Manager - Microsoft Support
In the search box on the taskbar, type device manager, then select Device Manager from the menu.
Fix your Outlook email connection by repairing your profile
Repair a profile in Outlook 2016. In Outlook 2016, choose File. Choose Account Settings > Account Settings. On the Email tab, choose your account (profile), and then choose Repair. Note: The Repair option isn't available if you're using Outlook 2016 to connect to an Exchange account. Follow the prompts in the wizard, and when you’re done ...
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
保养 Surface 电池 - Microsoft 支持
使用电池时,应避免一些情况,因为它们可能导致更快的老化:. 避免在极端高温下使用或充电: 在高温下充电或运行的设备将导致锂电池加速老化和电池充电容量永久丢失。. Surface 设备设计为在 0°C-35°C) 0°C-35°C (32°F 到 95°F 之间工作,因此请勿将 Surface 挡在 ...
Dir 函数 - Microsoft 支持
在 Microsoft Windows 中, Dir 支持使用多字符 ( *) 和单字符 ( ?. ) 通配符来指定多个文件。. 在 Macintosh 上,这些字符被视为有效的文件名字符,不能用作指定多个文件的通配符。. 由于 Macintosh 不支持通配符,请使用文件类型来标识文件组。. 可以使用 MacID 函数指定 ...
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016
ลงชื่อเข้าใช้ SharePoint - ฝ่ายสนับสนุนของ Microsoft
SharePoint เป็นแอปบนเบราว์เซอร์ที่คุณเชื่อมต่อผ่านเว็บเบราว์เซอร์ ของคุณ เช่น: ไปที่ office.com และลงชื่อเข้าใช้บัญชีที่ทํางานหรือ ...
Applies To: SharePoint in Microsoft 365
Obtain a digital certificate and create a digital signature
Windows 10. Windows 8. Windows 7, Windows Vista, or Windows XP. To view the certificate in the Personal Certificates store, do the following: Open Internet Explorer. On the Tools menu, click Internet Options, and then click the Content tab. Click Certificates, and then click the Personal tab. Important: If you digitally sign a document by using ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Recover your Word files and documents - Microsoft Support
Closing recovered files. If you click Close without reviewing all recovered files, you'll see an option to view them again later. The next time you open the application you'll have the option to save or remove those autorecover files. Yes, I want to view these files later (safest option)- Select this option if you are not sure whether you need the data in the recovered versions of the files.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
IRR 函数 - Microsoft 支持
IRR (values, [guess]) IRR 函数语法具有下列参数:. 值: 必需。. 数组或单元格的引用,这些单元格包含用来计算内部收益率的数字。. Values 必须包含至少一个正值和一个负值,以计算返回的内部收益率。. IRR 使用值的顺序来说明现金流的顺序。. 一定要按您需要的 ...
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