Common file name extensions in Windows - Microsoft Support

Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.

How to show file extensions on Windows 11 - Pureinfotech

Easy] How to Change File Extension in Windows 10 - EaseUS

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File Types

How to Change File Associations in Windows

Unable to hide extension for known file types - Microsoft Community

Show or Hide File Name Extensions for Known File Types in Windows 11 Tutorial

How to configure Windows to show file extensions and hidden files

Easy] How to Change File Extension in Windows 10 - EaseUS

Supported File Types and Valid File Names - Sfax

Your Guide to Excel File Extensions

File Extensions and File Types: MP3, GIF, JPG, DOCX, XLSX, EXE, & More - Video & Lesson Transcript

What Is a File Extension & Why Are They Important?