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 ...

To create an e-sign request, you’ll need to sign into your account with an available e-signature provider such as Adobe Sign or DocuSign. If you don't have account, it's easy to start a free trial or create an account. Choose the e-signature provider you'll use to create, send, and manage e-sign requests.

电子邮件中的数字签名可帮助收件人验证你是否是可信发件人，是否不是冒名顶替者。 若要使用数字签名，发件人和收件人都必须具有支持相同加密类型的邮件应用程序。

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures. Select the signature you want to edit, and then make your changes in the ...

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。

登录并为 Outlook 网页版创建签名 通过在 Web 浏览器中运行 Outlook 网页版，可以： 整理电子邮件，确保专注于最重要的事。 管理日历、会议和约会。 从云共享文件，以便所有人始终拥有最新的版本。 随时随地保持联系并高效工作。

培训：了解如何在 Outlook.com 或Outlook 网页版中创建签名和创建自动答复。

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

不可见的数字签名（如可见的数字签名行）可确保文档的真实性、完整性和来源。 您可以向 Word 文档、Excel 工作簿 和 PowerPoint 演示文稿中添加不可见的数字签名。

To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox. Select a tab option below for the version of Outlook you're using. What version of Outlook do I have?