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
获取数字证书并创建数字签名 - Microsoft 支持
本文介绍如何获取或创建用于 Office 文档的数字签名。 若要详细了解如何在 Office 文档中使用它们,请参阅 在 Office 文件中添加或删除数字签名。
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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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
Subscriptions & billing | Xbox Support
Customer support Contact us Xbox status Your Microsoft account Accessibility conformance report
Set up Outlook to use S/MIME encryption - Microsoft Support
Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
在 Outlook for Mac 中创建和插入签名 - Microsoft 支持
可以自定义附加到电子邮件的签名,以反映以个人品味、公司徽标或特定心情。 签名可以包含文本、链接和图片;例如,可以创建包括姓名、职务、电话号码和公司徽标的商务电子邮件签名。
Applies To: Outlook for Microsoft 365 for Mac, Outlook 2024, Outlook 2024 for Mac, Outlook 2021 for Mac, Office for business, Office 365 Small Business, My Office for iPhone
添加或删除 Microsoft 365 文件的数字签名 - Microsoft 支持
在 Microsoft 365 文件中插入签名行时,作者可以指定有关预期签名者的信息以及签名者的说明。 当将文件的电子副本发送给预期签名人后,此人将看到签名行和要求其签名的通知。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
创建和管理电子签名请求 - Microsoft 支持
需要文档签名时,无需向人员发送多个草稿或来回电子邮件。 现在,可以在电子签名请求中附加文档,并直接在桌面或移动设备上的“审批”中发送文档。
查看数字签名和证书详细信息 - Microsoft 支持
您可以在 Word、PowerPoint 和 Excel 中查看有关数字签名的信息,或用于创建数字签名的证书的信息。 有关如何添加或删除数字签名的详细信息,请参阅 添加或删除数字签名。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
在 Outlook 中创建和添加电子邮件签名 - Microsoft 支持
你可以向电子邮件签名添加链接和图像,更改字体和颜色,并使用 “编辑签名” 下的迷你格式栏来对齐文本。 还可以在签名中添加社交媒体图标和链接,或自定义我们预先设计的 temlate 之一。
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