使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Create and format a hard disk partition - Microsoft Support
To create a partition or volume (the two terms are often used interchangeably) on a hard disk, you must be logged in as an administrator, and there must be either unallocated disk space or free space within an extended partition on the hard disk.
PowerPoint 无响应、挂起或冻结 - Microsoft 支持
安装最新更新 安装任何重要、推荐和可选更新通常可以替换过期的文件并修复漏洞,从而解决问题。 若要安装最新的 Office 更新,请参阅 安装 Office 更新。 还可随时尝试手动获取更新。如果安装最新的 Office 更新无法解决问题,请继续执行下一步。
适用于: Microsoft 365 专属 PowerPoint, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Convert dates stored as text to dates - Microsoft Support
Occasionally, dates may become formatted and stored in cells as text. For example, you may have entered a date in a cell that was formatted as text, or the data might have been imported or pasted from an external data source as text.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Virus & threat protection in Windows Security - Microsoft Support
Manage your Virus & threat protection settings. Use Virus & threat protection settings when you want to customize your level of protection, send sample files to Microsoft, exclude trusted files and folders from repeated scanning, or temporarily turn off your protection.. Manage your real-time protection. Want to stop running real-time protection for a short while?
适用于: Microsoft 帐户仪表板
Play a CD or DVD in Windows Media Player - Microsoft Support
Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.
Combine text from two or more cells into one cell
Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
Add or subtract time - Microsoft Support
The result is 28 hours and 15 minutes. The format will be in the Type list the next time you need it.. Subtract time. Here's another example: Let's say that you and your friends know both your start and end times at a volunteer project, and want to know how much time you spent in total.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Office Help & Training
由于此网站的设置,我们无法提供该页面的具体描述。
Office で編集言語または作成言語を追加する、または言語設定 ...
Office の言語オプションを使用して、言語を追加したり、UI の表示言語を選択したり、編集および校正の言語を設定したりできます。 言語オプションは、[ファイル] > [オプション] > [言語] と移動した先にある [Office オプション] ダイアログ ボックスの [Office の言語設定を設定する] セクションに ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, 语言首选项, 语言首选项 2016