Windows File Explorer previews can expose NTLM password hashes, putting your security at risk. Here’s what you should know to stay protected.

Microsoft says that the File Explorer (formerly Windows Explorer) now automatically blocks previews for files downloaded from the Internet to block credential theft attacks via malicious documents.

IT之家 10 月 23 日消息，科技媒体 Windows Report 昨日（10 月 22 日）发布博文，报道称微软承认通过 10 月累积更新，调整了 Windows 11 文件资源管理器的运行机制，导致部分用户无法直接预览下载的图片、文档等文件 ...

Microsoft has updated File Explorer to automatically block file previews for items downloaded from the internet, aiming to prevent credential theft via malicious documents. The feature, active after ...

If you’ve been wondering why File Explorer suddenly stopped showing previews for files downloaded from the internet, we may finally have an answer, all thanks to Microsoft. As part of the October 2025 ...

PDFs remain a common way to share documents because they preserve formatting across devices and platforms. Sometimes, however, you end up with several separate PDFs that would be easier to handle as a ...

If you cannot preview Word or Excel files in Explorer, but you can preview other text or image files, then this post will help you fix the problem. If the Word or Excel file preview is not working in ...

As Windows 11 captures 49.08% of the desktop market, Files v4.0 emerges as a robust alternative, elevating user experience with innovative features like dual-pane view and an intuitive Omnibar, ...