Microsoft hides file extensions in Windows by default even though it's a security risk that is commonly abused by phishing emails and malware distributors to trick people into opening malicious files.

In total, Microsoft has now blocked 142 file extensions that it deems as at risk or that are typically sent as malicious attachments in emails. Microsoft is banning almost 40 new types of file ...

Windows File Explorer provides a ton of options to change how you view your files. What you might not know is that a critical option is disabled by default, despite being vital to your system's safety ...

Microsoft will soon be blocking an additional 38 file extension from being downloaded as attachments in Outlook on the Web in order to protect users from malicious files. These additional extensions ...

Microsoft plans to expand the list of file extensions that are banned in Outlook for the web (previously known as Outlook Web Access (OWA)). The list, which previously included 104 file extensions, ...

In this post, we will show you how to use ShellExView to view & disable Shell Extensions on a Windows 11/10 PC. Shell Extensions are COM objects that extend the capabilities of Windows Shell (Explorer ...

Is anyone else annoyed by how Windows XP offers to save file extensions like JPEG, GIF, PNG, and TIFF in programs like paint? The extensions are all in CAPS. So, is there a registry hack that allows ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...