COUNTIF 函数 - Microsoft 支持
尝试使用 CLEAN 函数 或 TRIM 函数 。. 为方便起见，请使用命名区域. COUNTIF 支持公式 (中的命名范围，例如 =COUNTIF ( fruit 、“>=32”) -COUNTIF ( fruit “、”>85“) 。. 命名区域可位于当前工作表中，也可位于同一工作簿中的另一张工作表中，甚至来自另一个工作簿。. 若 ...
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
关于 Microsoft 支持和恢复助手 - Microsoft 支持
Microsoft 支持和恢复助手 的工作原理是运行测试来找出问题并为确定的问题提供最佳解决方案。. 它当前可修复 Office、Microsoft 365 或 Outlook 问题。. 如果 支持和恢复助手 无法修复你的问题，则它将提出后续操作建议并帮助你联系 Microsoft 支持人员。. 以下是用户 ...
Applies To:
Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin
Change your country or region in Microsoft Store
When you make your first purchase in the new locale, you'll be prompted to update your billing info. To change your region, use one of the following options: Select Start > Settings > Time & Language > Language & Region. Under Country or region, select your new region. You can switch back to your original region at any time.
如何登录到 Microsoft 帐户 - Microsoft 支持
Microsoft 个人帐户 工作或学校帐户. 若要登录到 Microsoft 个人帐户，请转到 account.microsoft.com 或选择下面的“ 登录 ”。. 登录. 提示: 如果没有 Microsoft 帐户，可以选择“ 无帐户？. Create一个 ！. 输入用于其他服务的电子邮件、电话号码或 Skype 登录， (Outlook、Excel 等 ...
Applies To:
Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, Microsoft Edge, Microsoft Teams, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
从“文件”菜单打开文件 - Microsoft 支持
提示: 如果要绕过“文件”>“打开”并始终使用“打开”对话框，请执行此操作：选择“文件 > 选项 > 保存”，然后选择“打开或保存文件时不显示 Backstage”框检查。然后，关闭所有打开的 Office 应用程序再重新打开。 请注意，此更改仅影响按 Ctrl+O 访问“打开文件”对话框时看到的内容。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
About Color Management - Microsoft Support
Here are some other color settings you can manage in Windows 10: Change your accent color: Select the Start button > Settings > Personalization > Colors . Open Colors settings. Make photos and colors easier to see with a color filter: Select the Start button > Settings > Ease of Access > Color filters. Open Color filters settings.
Microsoft アカウントでの最近のサインイン アクティビティを確認する
Microsoft アカウントで通常とは異なるアクティビティに関するメールを受け取った場合、または他のユーザーがアカウントを使用している可能性が心配な場合は、[最近のアクティビティ] ページに移動します。過去 30 日間に Microsoft アカウントにサインインしたすべての日時と共に、デバイス ...
Applies To:
Microsoft account dashboard
Add or invite people outside your org to a chat in Microsoft Teams
Type the person’s email addressor phone number that you want to invite to chat. If their name appears, select it from below the command bar. If there isn’t a name match, select Search [email address] externally to send them a chat invite. To start the chat, type a message in the text box at the bottom and then select Send .
Applies To:
Microsoft Teams
升级到 Windows 10 专业版 - Microsoft 支持
升级到 Windows 10 专业版. Windows 10. Windows 10 专业版提供更多高级安全和业务网络功能，包括：. BitLocker 驱动器加密. 远程桌面. 能够加入域或 Azure Active Directory. 如果运行的是 Windows 10 家庭版，请选择 获取 Windows 10 Pro升级设备。. 获取 Windows 10 Pro.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.