As you may know by now, Windows 10 is not an ideal OS in any way. Every now and then, Microsoft messes something up and countless people get affected.
This is no different. Many users are facing this random issue where they can’t see the extension of their files. I myself faced this issue a few times and it can be really frustrating if you don’t already know how to fix it.
Keep reading to know the steps to enable extensions in Windows 10.
Step – 1

Open File Explorer / This PC and click the View button.
Step – 2

Click the Options button
Step – 3

Click View option
Step – 4

Uncheck Hide extensions for known file types
Step – 5

Apply the changes
Step – 6

Click OK to close the Folder Options
That’s It.