In early 2024, National Public Data, an online background check and fraud prevention service, experienced a significant data breach. This breach allegedly exposed up to 2.9 billion records with highly sensitive personal data of up to 170M people in the US, UK, and Canada (Bloomberg Law).

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.

Discover the benefits to co-authoring documents in your organization and learn about versioning, checkin/checkout, and mixed Office environments.

Excel incorporates Power Query (also called Get & Transform) technology to provide greater capability when importing, refreshing, and authenticating data sources, managing Power Query data sources, and shaping the data into a table that fits your requirements.

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

When you use Microsoft products and services while signed in with your Microsoft account, you can choose to save your data to the cloud to help improve your experience. The privacy dashboard provides tools to view and clear this data and to manage your privacy settings for the products you use. Data that appears on the dashboard can include data related to your Bing and Cortana searches ...

当无法安装或删除程序时，程序安装和卸载故障排除程序可自动修复问题。 它同时修复损坏的注册表项。 首先，你需要下载故障排除程序。 下载疑难解答 如果开始下载时看到“文件下载”框，请选择“运行”或“打开”。 故障排除程序提供了你要遵循的步骤。 如果卸载选项中未列出程序，系统将 ...

重要: 对 Office 2016 和 Office 2019 的支持将于 2025 年 10 月 14 日结束，并且没有扩展安全更新。 所有 Office 2016 和 Office 2019 应用将继续正常运行。 但是，你可能将自己暴露在严重并且可能有害的安全风险之下。

The Trust Center is where you can find security and privacy settings for Microsoft Office programs. With the consistent appearance of the ribbon in Office programs, steps to find the Trust Center are the same for each program. The options available in the Trust Center allow you to share documents with the people you want, as well as to find and remove hidden information you may not want to ...