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下载适用于 Surface 的驱动程序和固件 - Microsoft 支持
完成安装更新后,建议安装所有可用的可选更新。 若要安装可选更新,请转到任务栏中的“搜索”框,键入“查看可选更新”,然后从结果列表中选择它。如果更新在 驱动程序更新中可用,请确保已安装所有 “Surface” 命名驱动程序。. 检查是否有可选更新
Reduce the size of your mailbox and Outlook Data Files (.pst and .ost)
There are several ways to reduce your mailbox size. You can use the Mailbox Cleanup tool to view the size of your mailbox and individual folders. This tool can also help you search for older or very large messages that you might want to delete or move to an Outlook Data File (.pst).
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
How to manually download the latest definition updates for Microsoft ...
Before you install the latest version of the Microsoft Security Essentials virus and spyware definition updates, you must know: Whether Windows XP, Windows Vista, or Windows 7 is running in a 32-bit or a 64-bit operating environment.
How do I report phishing or junk email? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To: Outlook for Android, Outlook for iOS
Download language pack for speech - Microsoft Support
Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.
Xbox Support
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Add members to a team in Microsoft Teams - Microsoft Support
If you're a team owner, you can add someone to a team. If you're not a team owner, you can submit a request and the team owner can then accept or deny it. This topic is about adding members who are already a part of your team's org.
Applies To: Microsoft Teams
Office Help & Training
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Repeat table header on subsequent pages - Microsoft Support
Under Table Tools, on the Layout tab, in the Data group, click Repeat Header Rows.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.
Applies To: Microsoft Teams