Changing Extension of Multiple Files

Suppose in case you have 100 video files, that too in a different formats and you want to change it to one common format, what’s the best thing you will do?
You will go in to folder options and untick “Hide extensions for known file types” and then change the extensions one by one?
Well if this is what you are going to do then i have a much simpler way of doing it.

Here’s what you need to do.

1. Go to start –> Run –> Cmd (for Xp) or Command (for 98).
2. Now on the command prompt, go onto the folder where all these videos are, or where your data is(like “d:\videos>”).
3. Type in “ren *.* *.mpeg” without quotes. Its just an example on how to rename files. You can select any valid extension and all the files will be renamed in a very little time.

Try this and you are going to love it.

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