Microsoft 支持
Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows 11、Surface 等的操作方法文章、视频和培训。
使用 Microsoft Authenticator 登录 | Microsoft Support
使用 Authenticator 作为登录的一种方式 如果已为帐户启用无密码、双重或多重身份验证,请使用以下步骤登录: 转到要登录的网站。 在登录提示符下输入用户名,然后选择“ 下一步 ”。 选择“ 发送通知 ”。
在Word文档中插入签名 - Microsoft 支持
手写签名可让你的文档具有个人风格。 你可以扫描你的签名,将其存储为图片,然后在 Word 文档中插入签名。 扫描手写签名并插入手写签名的图片 在纸张上写下您的签名。 扫描该页面并以常见的文件格式将其保存在计算机上:.bmp、.gif、.jpg 或 .png。
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2016, My Office for iPhone
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com
Applies To:
Outlook.com
Obtain a digital certificate and create a digital signature
About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2024, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016
Digital signatures and certificates - Microsoft Support
Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
使用产品激活门户激活Microsoft永久产品 - Microsoft 支持
Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起,传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户: 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验,并有助于防止欺诈。 虽然该过程已更新,但脱机激活 ...
How to add your accounts to Microsoft Authenticator
Add your Google account On the Google account security page, go to the Add more second steps to verify it's you section, choose the Set up from the Authenticator app section. On the Get codes from Authenticator page, select either Android or iPhone based on your phone type, and then select Next.
如何在 Outlook 中新增和更改電子郵件簽名 - Microsoft 支援服務
如何建立或編輯您的 Outlook 電子郵件簽名。 請附上簽名、文字、圖片、電子名片及標誌。
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, My Office for iPhone, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
在 Windows 上下载并安装 Skype for Business - Microsoft 支持
通过 Skype for Business,你可轻松与世界各地的同事和业务合作伙伴进行联系和协作: 启动即时消息对话和语音或视频呼叫。 查看你的联系人何时联机。 安排会议和加入会议。 会议期间展示你的屏幕或将控制权交给其他人。 如果使用的是 Mac 版 Skype for Business,请参阅 Mac 版 Skype for Business 快速入门。
Applies To:
Skype for Business, Skype for Business Online