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.

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 ...

If you’ve noticed that the File Explorer preview pane no longer works for documents downloaded from the Internet, don’t worry — it’s not a problem with your computer. According to Windows Latest, ...

Preview in iOS 26 turns your iPhone into a quick workspace when a document needs attention. Here's how to edit your PDFs with the app. The new Preview app fixes a long-standing gap on the iPhone.

Microsoft’s Windows 11 Insider Preview Build 26220.7961 for 25H2 fixes File Explorer flashes, adds voice typing for renaming, and restores Administrator Protection.