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.
Create and apply a custom number format - Microsoft Support
Learn how to create and apply a custom number format in Excel based on an existing format and add it to the list of custom formats.
Applies To: Excel for Microsoft 365 for Mac, Excel 2021 for Mac, Excel 2019 for Mac
多个桌面Windows - Microsoft 支持
设置桌面背景. 如果使用的是图片,还可以选择每个桌面的不同背景。. 如果使用纯色或幻灯片放映,则所有背景都相同。. 若要更改背景(如果使用的是图片):. 右键单击要更改的桌面。. 选择" 选择背景"。. 在"个性化背景"部分 选择列表, 然后选择"图片 ...
在 Word 中删除页面 - Microsoft 支持
单击或点击要删除的页面中的任意位置,按 Ctrl+G 。. 在 “输入页码 ”框中,键入 \page 。. 按键盘上的 Enter ,然后选择“ 关闭 ”。. 验证是否已选择内容页,然后按键盘上的 Delete 。. 若要删除文档中间或末尾的空白页,请参阅 删除空白页 。. 如何在 Word 中选择 ...
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
Stay safe with a genuine Office license - Microsoft Support
Don't have a genuine version of Office? Purchase Office or Microsoft 365 using the link below or purchase it from another credible source.
Applies To: Office 2019
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021
如果你已兑换产品密钥,只需重新安装应用,或者知道你已通过工作或学校分配了许可证,则可以跳到登录部分 ,下载并安装 Microsoft 365 或 Office 。 但是,如果是 首次 安装 Microsoft 365 或 Office,可能需要先执行一些步骤。 展开下面的“ 了解详细信息 ”部分获取详细信息。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Microsoft 繁体中文输入法 - Microsoft 支持
本页可帮助你了解如何使用 Microsoft 繁体中文输入法,包括输入法功能和键盘快捷方式。
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.
下载并安装应用 - Microsoft 支持
设置 Microsoft 365 商业版订阅后,需要在电脑或 Mac 上下载并安装 Microsoft 365 应用,如 Word、Excel、Microsoft Teams 和 PowerPoint。
Troubleshoot attachment problems in Outlook - Microsoft Support
You turn file preview on or off in the Trust Center. In Outlook, select File > Options > Trust Center > Trust Center Settings > Attachment Handling > Turn off Attachment Preview. To turn off a specific attachment previewer, click Attachment and Document Previewers, clear the check box for a previewer you want to turn off, and then click OK.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
关闭或打开搜索历史记录 - Microsoft 支持
此处介绍的一些特性和功能可能在你的国家/地区不可用。