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在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗? 在开始之前,请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥,只需重新安装应用,或者知道你已通过工作或学校分配了许可证,则可以跳到登录部分 ,下载并安装 Microsoft 365 或 Office。 但是,如果是 首次 安装 Microsoft 365 或 Office,可能需要先执行一些步骤。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Create a presentation in PowerPoint - Microsoft Support
Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Error “Something Went Wrong [1001]” signing in to Microsoft 365 Desktop ...
Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Outlook for Microsoft 365 for Mac, Microsoft 365 Apps for business, Office app for Android, Office app for iOS, OneDrive for Windows
Troubleshoot issues with the Xbox app for Windows
Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...
Product activation for Windows – online & support telephone numbers
To activate Windows 11 using an internet connection: As Windows 11 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > System > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows.. To activate Windows 11 by phone:
Control the formatting when you paste text - Microsoft Support
Merge Formatting (M) This option discards most formatting that was applied directly to the copied text, but it retains formatting that is considered emphasis, such as bold and italic, when it is applied to only a portion of the selection.The text takes on the style characteristics of the paragraph where it is pasted. The text also takes on any direct formatting or character style properties of ...
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
如何登入 Hotmail - Microsoft Support
提示: 登入時,如果您下次想要直接移至信箱,請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者,選取 [不要再顯示這個] 方塊,然後選取 [否],這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼,請使用我們的 [登入疑難排解員]。
Applies To: Outlook.com
DATEDIF function - Microsoft Support
Argument. Description. start_date . Required. A date that represents the first, or starting date of a given period. Dates may be entered as text strings within quotation marks (for example, "2001/1/30"), as serial numbers (for example, 36921, which represents January 30, 2001, if you're using the 1900 date system), or as the results of other formulas or functions (for example, DATEVALUE("2001 ...
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, SharePoint Foundation 2010, SharePoint Server 2010, Windows SharePoint Services 3.0
How to use Voice Recorder - Microsoft Support
Voice Recorder is an app for recording lectures, conversations, and other sounds (previously called Sound Recorder). Hit the big Record button (1), and Add a marker (3) to identify key moments as you record or play (2).Then you can Trim (5), Rename (7), or Share your recordings (4), which are saved in Documents > Sound recordings.Select the Delete icon (6) to delete your recording, or See more ...
Help with the Microsoft account recovery form
2. Fill out the form using a recognized device and location. If possible, complete the form using a device you previously used to sign into your account and at a location where you commonly use that device and that we'll recognize, such as your home or office.