使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
お問い合わせ - Microsoft サポート
Microsoft サポートにお問い合わせください。一般的な問題の解決策を見つけるか、サポート エージェントからサポートを受けます。 ありがとうございます。その他のフィードバックはありませんか? サポートに役立つよう、詳しくお聞かせください。
设置和使用 Outlook - Microsoft 支持
现在,可以查看所添加帐户的电子邮件。 还可以查看日历、联系人和任务。 后续步骤 有关将旧电子邮件、日历和联系人迁移到 Microsoft 365 的步骤,请参阅 将旧电子邮件、日历和联系人移动到 Microsoft 365。 相关主题
為您的 Windows 10 電腦進行磁碟重組 - Microsoft 支援服務
為您的 Windows 10 電腦進行磁碟重組 最佳化磁碟機可以讓電腦執行更為順暢,且開機速度更快。 若要最佳化: 選取工作列上的搜尋列,然後輸入 [ 整理]。
关闭双重验证 | Xbox Support
重要事项 由于双重验证已打开,您需要两种形式的身份验证才能登录您的帐户。 如果您不再能够访问用于验证您帐户的电子邮件地址,您的安全信息不是最新的,或者您最近在过去 30 天内更新了安全信息,您可能无法访问您的帐户。
Format a date the way you want - Microsoft Support
When you enter some text into a cell such as "2/2", Excel assumes that this is a date and formats it according to the default date setting in Control Panel.Excel might format it as "2-Feb".If you change your date setting in Control Panel, the default date format in Excel will change accordingly.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Change or reset your PIN - Microsoft Support
If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.
Count numbers or dates based on a condition - Microsoft Support
To count numbers or dates that meet a single condition (such as equal to, greater than, less than, greater than or equal to, or less than or equal to), use the COUNTIF function. To count numbers or dates that fall within a range (such as greater than 9000 and at the same time less than 22500), you can use the COUNTIFS function. Alternately, you can use SUMPRODUCT too.
适用于: Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Microsoft .NET Framework 4.7.2 offline installer for Windows
Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.
Create, edit, or delete a contact list or contact group in Outlook
You can right-click the contact group and select Delete from the menu or click the group, then select Delete from the Ribbon.. Contacts are not deleted, only the contact list.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
April 23, 2024—KB5036980 (OS Builds 22621.3527 and 22631.3527) Preview
Windows 11, version 21H2; July 9, 2024—KB5040431 (OS Build 22000.3079) June 11, 2024—KB5039213 (OS Build 22000.3019) May 14, 2024—KB5037770 (OS Build 22000.2960)