How to change Win7 file extension

Modifying the file extension can change the attributes and format of the corresponding file. You only need to use rename to change the file extension. But sometimes we find that the file extension cannot be found and cannot be changed. At this time, we can unhide the file extension in the view. Let’s take a look together.

Win7 file extension changing tutorial

1. First, find the file with the extension that needs to be changed in the folder.

2. After selecting it, click "Tools" above

3. Click "Folder" in the drop-down menu Option"

4. Click the "View" tab above

5. Uncheck the " Hide extensions of known file types”

6. Then we can use rename to directly change the file extension.

#7. After the changes are completed, click "Yes" in the pop-up dialog box.

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