Microsoft account security info & verification codes
For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.
Applies To:
Microsoft account dashboard
将投票添加到 Teams 频道或聊天 - Microsoft 支持
使用 Microsoft Forms ，可以在 Microsoft Teams 秒内创建即时实时轮询。 在 Teams 频道中发布投票，或在聊天窗格中快速收集反馈。
Applies To:
Microsoft Forms, Microsoft Teams
Free up drive space in Windows - Microsoft Support
Free up drive space in Windows. If your PC is running low on free space, you might not be able to install important Windows updates, and your PC’s performance may be affected. Here are some ways to free up space so you can keep your PC up to date and running smoothly.
Change your app recommendation settings in Windows
Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.
Standard, private, or shared channels in Microsoft Teams
Standard channels are available to all team members in Teams. Most channels are standard channels. If you need a smaller, specific audience for a particular subject, you can use a private channel. Shared channels are for collaborating with people inside and outside your team or organization.
Applies To:
Microsoft Teams
Language Accessory Pack for Microsoft 365 - Microsoft Support
Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 to add additional display, help, and proofing tools to Microsoft 365.
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
Change your keyboard layout - Microsoft Support
Change the keyboard layout or other method you use to type. Whenever you add a language, a keyboard layout or input method is added so you can enter text in the language. If you want to use a different keyboard layout or input method, you can add a new one or switch between the ones you have.
Switch to the new Microsoft Teams - Microsoft Support
The new Teams has full feature parity for almost all features including custom line-of-business apps, third-party apps, breakout rooms, 7x7 video, call queues, PSTN calling, contextual search in chats and channels, cross-post a channel conversation, and more.
Applies To:
Microsoft Teams
COUNTIF function - Microsoft Support
COUNTIF function. Use COUNTIF, one of the statistical functions, to count the number of cells that meet a criterion; for example, to count the number of times a particular city appears in a customer list. In its simplest form, COUNTIF says:
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
在 Microsoft Teams 中向频道发送消息 - Microsoft 支持
答复现有邮件会话或开始新对话会打开一个撰写框，以便键入邮件并设置邮件格式。 任一选项都会向特定频道中的每个人发送消息， (整个团队) 。 撰写完邮件后，选择“ 发送 (”（如果是回复) ）或“ 发布 (”（如果是帖子) ）。 你的消息现已在频道中直播。
Applies To:
Microsoft Teams