Tech pro ThioJoe uncovers 13 hidden file extensions embedded deep within Windows systems and their purposes.

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.

We have commented on the "file name extension" controversy before. We recently tripped over one of its negative effects. It specifically applies to what is covered in the following section of the ...

Add Yahoo as a preferred source to see more of our stories on Google. This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and ...

In File Explorer on some volumes, you may see a new folder called FOUND.000 with a file in it using the .CHK extension. In this post, we will explain what this folder is and the file it contains and ...