How to Change / Rename File Extensions in Windows

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How to Change or Rename File Extensions in Windows PC (Windows 7/8/XP/Vista): If you are looking for a way to change or rename file extensions of different files having different formats on your Windows PC, then keep on reading this tutorial – it will guide you through the whole process of changing file extensions in Windows without having the requirement of any additional software or tool. There’s a pretty simple way to accomplish this task without any software, you just need to make a little change to the system settings on Windows and you are done – you will be able to get the job done. Generally, Windows doesn’t show the file format or extension of known file types, so you can’t directly change the extensions of files on your computer running on Windows. You can either do it through a batch process by making use of Command Prompt, or you can go for the easy way – making a small change to the file & folder preferences.

Also check out this guide: How to Update Graphics Drivers in Windows 7


How to Change the Extension of a File in Windows


Step 1: Open the Computer icon from your desktop or from the start menu. Remember that all these processes may be little different in case of different Windows operating systems. For your information, we are doing this on Windows 7 but the processes will be pretty much resembling or same in all Windows operating systems.

Step 2: Now click on ‘Organize’ from the left corner of the bar available on the top of the window, and then select ‘Folder and Search Options’ from the prompted drop down menu.

Step 3: Then select the ‘View’ tab from the top of the new window.


View File Extensions in Windows


Step 4: Right after that, under the ‘Advanced Settings’ section, deselect this option – ‘Hide extensions for known file types‘ from that section and then click on ‘OK’ to save your settings.


Files with Extensions


Step 5: That’s it. Extensions will now also be viewed along with your file names, even for files known by the Windows. So you can now simply rename the file and change the extension of that. For example, you can rename a file with the name ‘Flower.jpg‘ to ‘Flower.png‘ by using the default renaming feature on Windows operating systems.

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That’s it, you are done. It’s the easiest and the most convenient method of changing or renaming file extensions in Windows 7, 8, XP and Vista operating systems. Alternatively, you can also get this task done by making use of Command prompt. Read the guide below to know more about changing file extensions in Windows with Command Prompt:


Change File Extensions with Command Prompt


Step 1: First of all, open Command Prompt by holding the ‘Start’ and the ‘R’ buttons together which will bring up the Run window. Now type ‘CMD’ in the blank box and then hit enter. Command Prompt will now be started on your Windows PC.

Step 2: Now change the current drive to the one in which the file you are willing to change the extension of, is stored. Just type in – C: or D: or E: according to your need, and then hit enter to change the drive location in Command Prompt.

Step 3: Now in order to go to the directory of the target file, just make use of the ‘CD‘ command in the Command Prompt window. For example: Type in ‘CD \Tekplz\Files’ if the desired file is stored in ‘D:\Tekplz\Files‘.

Step 4: Once you are in the folder where the target file is stored, you are all set up to change its extension. Now just make use of the ‘REN‘ or ‘RENAME’ command in the CMD window to get the job done. For example: If you want to change the file extension of the Tekplz.txt file to .exe extension, then just type in this command – ‘REN Tekplz.txt Tekplz.exe‘ in the Command Prompt window and then hit enter. If you couldn’t understand the command, then here is its syntax – ‘REN OriginalFileName.txt OutputFileName.exe’.

Step 5: That’s it you are done with it. Just type in this command – ‘Exit’ in the Command Prompt window to close it up.


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