How to play MP4 files in Windows 10 - Microsoft Support
Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.
激活 Office - Microsoft 支持
如果新电脑上预安装了 Microsoft 365，则必须启动 Microsoft 365 家庭版 试用版或购买 Microsoft 365 才可继续使用 Microsoft 365。 注意: 如果正在 Windows 7 上运行 Microsoft 365(不再受支持，请参阅 Windows 7 终止支持和 Office )，则需要确保已默认启用 TLS 1.2。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Outlook で .eml、.msg、.oft の各ファイルを開く - Microsoft サポート
これらのファイルタイプを開く他の方法. また、.eml、.msg、または .oft ファイルを右クリックまたはダブルクリックして、新しい Outlookで開くこともできます。
Applies To:
New Outlook for Windows
Troubleshooting Wi-Fi connection on your Surface
Network adapter. Surface device used in. Intel® Wi-Fi 6 AX200, AX201, AX210, AX211. Surface Pro 7 and later generations, Surface Laptop 3 and later generations, Surface Laptop Go (all generations), Surface Laptop Studio (all generations), Surface Go 2 and later generations, Surface Book 3, Surface Studio 2+
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.
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, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
在 OneDrive 中删除文件或文件夹 - Microsoft 支持
打开“共享”视图，通过指向每个项目并单击出现的圆检查框来选择要删除的文件或文件夹。. 若要删除其他用户共享的项目，请选择该项目，然后选择页面顶部栏上的“ 从共享列表中删除”。 若要从“ 我共享”中删除项目，请选择该项目，选择右上角的“ 信息 ”以打开“ 详细信息 ”窗格，然后 ...
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
获取 Windows Media Player - Microsoft 支持
Windows Media Player 适用于基于 Windows 的设备。 使用此表查找适用于你的系统的 Player 版本。 （如果你使用的是 Mac，则可以下载适用于 QuickTime 的 Windows Media 组件来播放 Windows Media 文件。
Show, hide, and view the Bcc (blind carbon copy) field in Outlook for ...
Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
如何在 Windows 10 上的 Outlook 中使用外出或自动回复功能 - Microsoft 支持
在 Outlook 中设置外出或自动回复之前，你需要知道自己的 Outlook 帐户类型。你需要遵循的步骤取决于你拥有的是 Microsoft Exchange Outlook 电子邮件帐户还是 IMAP 或 POP3 帐户；前者在你通过组织（例如办公地点）获得电子邮件的情况下使用，后者在你具有 Yahoo 或 Gmail 等个人电子邮件帐户的情况下使用。
Use Copilot without recording a Teams meeting - Microsoft Support
If someone turns on transcription or recording during the meeting, Copilot will continue to be available and the content of your conversation with Copilot will be available in the meeting's Recap tab, starting from the moment transcript was turned on.. Learn more about Copilot in Teams Meetings.. How to set up Copilot without transcription
Applies To:
Microsoft Teams