Teach you how to change the file extension

After the file suffix is ​​changed, more operations can be performed. However, many friends in the win7 system do not know how to change it, so here is a tutorial to see how to change it in w7 File suffix name.

w7How to change the file extension name:

1. First enter the computer interface on the desktop, then click "Tools" and select "Folder Options".

2. Then click the "View" task option.

3. Check "Hide extensions for known file types".

#4. Finally, select the file whose suffix needs to be changed, then right-click and select "Rename" to modify it.

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