Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

但是，我们建议管理员在将 Office 升级到列出的版本后，尽快将现有 VBA 签名升级到 V3 签名。 在管理员验证组织没有兼容性丢失后，他们可以通过启用 使用 V3 签名策略设置的“仅信任 VBA”宏来禁用旧的 VBA 签名。

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。

Phishing (pronounced: fishing) is an attack that attempts to steal your money, or your identity, by getting you to reveal personal information -- such as credit card numbers, bank information, or passwords -- on websites that pretend to be legitimate. Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing ...

Microsoft 开发人员 Microsoft Learn 支持 AI 商城应用 Microsoft 技术社区 Microsoft Marketplace Microsoft Power Platform Marketplace Rewards Visual Studio

The SHA-2 code-signing support was shipped early to ensure that most customers would have the support well in advance of Microsoft’s change to SHA-2 signing for updates to these systems. The stand-alone updates include some additional fixes and are being made available to ensure that all of the SHA-2 updates are in a small number of easily identifiable updates. Microsoft recommends that ...

Mail. Outlook for iOS and Android also connects to OneDrive, OneDrive for Business, Dropbox, Google Drive & Box. Note: To find out if your iOS or Android device can run the Outlook app, see system requirements. Learn how to get more out of your Outlook app on iOS or Android devices to power your productivity at work, at home, or on the go.

Learn how to use an eSIM to connect your Windows PC to the internet over a cellular data connection.

Summary Windows 11, versions 24H2 and 25H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 25H2 are included in the latest monthly quality update for Windows 11, version 24H2 but are in an inactive and dormant state. These new features will remain dormant until they are turned on through the “enablement package ...

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。