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.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Your account settings are out-of-date in Mail or Calendar for Windows ...
Microsoft has added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about the update, see Windows 10 Creators Update is here.. If you have a Japanese Yahoo! email account you will need to do the following:
Applies To: Calendar for Windows 10, Mail for Windows 10
Microsoft 帐户安全信息和验证码 - Microsoft 支持
为什么需要验证码? 当你登录到你的 Microsoft 帐户时,我们可能会要求提供其他证明,证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录,并且可以选择:
Applies To: Microsoft account dashboard
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.
关闭你的 Outlook.com 帐户 - Microsoft 支持
重要: 关闭Microsoft帐户时,你的电子邮件和联系人将从我们的服务器中删除,无法恢复。如果将Microsoft帐户用于 Xbox、Skype、OneDrive 或其他Microsoft服务,则你将无法再访问这些服务。 你还将无法访问任何保存的 BitLocker 恢复密钥。
Applies To: Outlook.com
如何更正 #REF! 错误 - Microsoft 支持
以下示例在 e 列使用公式 =sum(b2,c2,d2)。. 如果要删除 b、c 或 d 列,将导致 #ref! 错误。 在本例中,我们将删除 c 列(2007 年销售额),公式现在显示 =sum(b2,#ref!,c2)。使用此类显式单元格引用(分别引用各单元格,以逗号分隔)并删除引用的行或列时,excel 无法进行解析,因此将返回 #ref!
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 for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones, Excel for Windows Phone 10, Excel Mobile
Office Help & Training
We would like to show you a description here but the site won’t allow us.
How to verify an email address in your Microsoft account
Click Verify next to your email address, and then click Send email.
Applies To: Microsoft account dashboard
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。