Obtain a digital certificate and create a digital signature
This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Digital signatures and certificates - Microsoft Support
A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered. The following is an example of a signature line. Top of Page.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, 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
Activate Office - Microsoft Support
Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Edit your passwords in Microsoft Edge - Microsoft Support
You can easily edit the passwords saved in Microsoft Edge. Important: Changing the password in Microsoft Edge doesn't change the password for the website. You'll need to ensure that the password stored in Microsoft Edge matches the password you've set for the website.
工作或学校帐户双重验证的常见问题 - Microsoft 支持
我们编写了这篇文章，以介绍最常见问题的修复方法。. Azure Active Directory (Azure AD) 组织可以为你的帐户启用双重验证。. 启用双重验证后，帐户登录需要以下数据的组合：. 您的用户名. 你的密码. 移动设备或手机. 双重验证比仅使用密码更安全，因为双重验证需要 ...
更改或重置 PIN - Microsoft 支持
PIN 是用户定义的一组数字或数字和字母的组合，可用于登录 Windows 设备，而不是密码。. 你的 PIN 安全地存储在你的设备上，它不会在任何地方传输，也不会存储在服务器上。. 这使得它比传统密码更安全。. 如果要更改 PIN，或需要重置 PIN，可以使用不同的选项。.
为子女帐户授予家长许可 | Xbox Support
为子女帐户授予家长许可. 根据你的区域，可能需要组织者的权限才能为 Xbox 家庭组创建子女帐户。. 在开始之前，请确保已创建一个 Microsoft 帐户作为组织者，并且已设置 Xbox 家庭组，以便可以将孩子添加为成员：. 在 Xbox 上创建家庭组的好处. 注意 新建子女 ...
下载Microsoft Authenticator - Microsoft 支持
中国的身份验证方法. 中国仅提供有限的身份验证方法。. 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。. 这些验证码的有效期为 30 秒。. 注意: 若要对工作或学校帐户使用验证码，IT 管理员必须在 ...
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
获取数字证书并创建数字签名 - Microsoft 支持
如果计划与其他人一起交换数字签名的文档，并且希望文档的收件人能够验证数字签名的真实性，则可以从信誉良好的第三方证书颁发机构获取数字证书， (ca) 。 有关详细信息，请参阅 查找数字 id 或数字签名服务。 创建数字证书以立即对文档进行数字签名
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013