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
Xbox 玩家代號常見問題集 | Xbox Support
找尋您需要了解的有關 Xbox 玩家代號的所有資訊。
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
如何兌換禮品卡和代碼 | Xbox Support
瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。
数字签名和证书 - Microsoft 支持
公证性 在某些情况下,Microsoft Word、Microsoft Excel 或 Microsoft PowerPoint 文件中由安全时间戳服务器加盖时间戳的签名具有公证效力。 为了提供以上保证,内容创建者必须使用满足下列条件的签名对内容进行数字签名: 该数字签名有效。
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
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。 什么是数字签名? 数字签名或 ID 通常称为 数字证书。
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
Xbox payment error messages and codes | Xbox Support
Get an error message or error code when making a purchase on Xbox? Find out what they mean.
验证签名邮件上的数字签名 - Microsoft 支持
同样,当你在 Microsoft Outlook 收到包含 数字签名 的消息时,请务必验证签名者是否是你认为此人。 打开数字签名的消息。 查看 “已签名者” 状态行,检查签名邮件的人员的电子邮件地址。
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2016 for Mac, Outlook.com, New Outlook for Windows, Outlook for Android, Outlook for iOS, Outlook Web App
How to investigate a billing charge from Microsoft
Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...
Applies To: Microsoft account dashboard
创建和管理电子签名请求 - Microsoft 支持
签名 – 收件人需要对文档进行签名。 获取副本 – 收件人将仅获取已签名文档的副本。 视图 – 仅需要收件人才能查看文档。 如果需要收件人按特定顺序进行响应,请打开 “必须按顺序完成 ”。 选择 “准备 ”。