File extensions are a necessary evil. Most of the time, you want those extensions to stay out of sight, but occasionally it's useful to expose the extensions. If you're creating a batch file or a ...

If you have a bunch of files in a folder which you want to name sequentially and convert to the same file type or format, how do you go about doing this? If it is just a few files, you can do it ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...