How do I show file extensions like .pdf or .docx at the end of file names?

You'll be able to: Reveal hidden file extensions to identify file types and stay safe

The steps

1. 1

   Press Win+E on your keyboard to open File Explorer. File Explorer opens, showing your recent files and drives.

   Why are extensions hidden by default?

   Windows hides them to keep file names clean and prevent accidental edits. However, turning them on helps you immediately spot dangerous files pretending to be documents (such as a virus named invoice.pdf.exe).

Windows 11Windows 10

2

Click View at the top toolbar, hover over Show at the bottom of the dropdown, and click File name extensions.A checkmark appears next to File name extensions.



2. 3

   Look at the files in any folder on your computer. Every file now displays its exact format at the end (such as .pdf, .docx, .png, or .mp4).

It looks different on my screen

If you ever want to hide file extensions again, repeat the exact same steps to uncheck File name extensions.

Updated 2026-09-19اقرأ بالعربية