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.

FileTypesMan allows you to view, add, remove edit file extensions and types on Windows 11/10. You can always manually set or change File Associations & Extensions.

To avoid being such an easy target, BleepingComputer points out that you need to change Windows 10 settings to enable the ability to view file extensions by default.

How to show and change file extensions in Windows This process uses screenshots from Windows 10, but the process is the same for Windows 11 and most other versions of Windows.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

Useful & lesser-known tips and tricks that will help you manage Files and Folders in Windows 11/10 efficiently like a Pro.

Greg Shultz explores the Ribbon toolbar in Windows 10's File Explorer for recent Windows 7 and Windows XP users.

In this guide, I'll outline how to rename one or many files in bulk using File Explorer, PowerShell, Command Prompt, and PowerToys on Windows 10.