How to Change File Extension in Windows 10

In this post, you’ll see the steps to change the file extension (of single and multiple files) in Windows 10. Let’s get started.

How to Change File Extension of a Single File

Open the File Explorer by pressing Windows + E.

Click on the “View” tab on the ribbon and then select “File name extensions.”

Find the file for which you want to change the file extension.

Right-click on it and then click “Rename.”

Remove the file extension that is behind the dot (.).

Now enter the desired extension and press the “Enter” key.

Click “Yes” in the confirmation pop-up.

That’s it.

How to Change File Extension of Multiple Files at Once

Place all the files for which you want to change the file extension in a single folder.

Open this folder.

Right-click on the address bar of the File Explorer. Click on the “Copy address” option and it’ll copy the folder address.

Open Command Prompt. You can do this task by following these steps: Press Windows + R. Type cmd and then press Enter key.

Type cd.

Press the Space bar key and then paste the address of the folder you copied. Press the “Enter” key.

Now enter the following command: ren *.* *.html

Replace html in the command with the desired file extension. Press the “Enter” key.

That’s it. You can now see that all the files in the folder have got their extension changed.

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Thirumalraj
How To Raj was founded and run by Thirumalraj, an MCA graduate. Since August 2015, he has been blogging on his other blog, Technology Hint. Learn more about How To Raj here.