Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密,) 通过“设置”应用或控制面板: 在这种情况下,激活 BitLocker 的用户选择了保存密钥的位置,或者在设备加密的情况下选择 (,) 自动将密钥保存到其 Microsoft 帐户。
Enhance your security on the web with Microsoft Edge
Microsoft Edge offers two optional browsing modes—Balanced and Strict—for enhanced security to provide you with an extra layer of protection when browsing the web and unfamiliar sites.
Getting the most out of your PC backup - Microsoft Support
When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier.
开始使用 Office 加载项 - Microsoft 支持
重要: 适用于 Office 的应用有一个新名称: Office 加载项。我们当前正在更新我们的产品、文档、示例和其他资源,以反映平台名称从“Office 和 SharePoint 相关应用”更改为“Office 和 SharePoint 加载项”。
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, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016
Set up a security key as your verification method
What is a security key? We currently support several designs and providers of security keys using the Fast Identity Online (FIDO2) passwordless authentication protocols. These keys allow you to sign in to your work or school account to access your organization's cloud-based resources when on a supported device and web browser.
Microsoft Simplified Chinese IME - Microsoft Support
IME toolbar. IME supports a UI called the IME toolbar which offers an alternate way to quickly invoke specific IME functions. The IME toolbar is the UI renewed from the language bar. To open the IME toolbar, long-press (or right-click) the IME mode icon in the notification area, and then select Show/hide IME toolbar.. Keyboard shortcuts
SUMIFS function - Microsoft Support
Problem. Description. 0 (Zero) is shown instead of the expected result. Make sure Criteria1,2 are in quotation marks if you are testing for text values, like a person's name.. The result is incorrect when Sum_range has TRUE or FALSE values.. TRUE and FALSE values for Sum_range are evaluated differently, which may cause unexpected results when they're added. ...
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, Excel Web App
Create a form with Microsoft Forms - Microsoft Support
Tip: You can also format your text.Highlight a word or words in your title or questions, and then choose any of the following: Bold (keyboard shortcut - CTRL/Cmd+B), Italic (keyboard shortcut - CTRL/Cmd+I), Underline (keyboard shortcut - CTRL/Cmd+U), Font color, Font size, Numbering, or Bullets.
Applies To: Excel for the web, OneNote for the web, OneDrive (work or school), Microsoft Forms
Troubleshooting tips for installing and updating Microsoft Edge
Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)
Troubleshooting verification code issues - Microsoft Support
That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.
Applies To: Microsoft account dashboard