How to modify a large number of file extensions at once

When we are working, a large number of files appear to be in incorrect formats, and we need to change all the formats, such as changing JPG to doc, or to other formats. How can we change it all at once? In fact, we only need to create a text Document, put the files that need to be changed and enter a command. Let’s take a look at the specific tutorial.

Method to modify the file suffix at one time

1. Create a new folder and move all the files that need to be changed into it.

2. Find "File Extension" from the "View" menu, click on the small box in front to check the suffix of the file

3. Create a new txt text, and then enter the following characters in it. Note that there is a space in English before the *.

#4. After saving, change the suffix name of this txt to bat.

5. Click "Yes" in the pop-up prompt box

6. Double-click to run the bat file , you can see that the file extensions have been changed to MP4.

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