HDD (Hard Disk Drive) - a device for storing information. All information placed on your computer is stored on the hard disk. Open Windows Explorer or a similar program, you can see many files and folders. Sometimes there are situations when you need to bring the contents of the hard disk in order to release or place on it. It is best for this purpose, use a program that will analyze HDD, visually display all its contents, all files and folders with their sizes. Tools that perform Disk Usage Analyzer, a lot. For example, the task is easy to handle software Disk Usage Analyzer. Its interface is very simple and deal with it will be easy. Video, located below will help in the development of this handy tool.
If you look at a list of files that will issue a report in this program, you will see that the files have not only a different name, but a different extension. It is common knowledge that all computer files are grouped into different types. Files are music, text, system, video files, image files, and many others. The type of the file, its size depends on what a computer program is to open a particular file. As the computer determines what type of file belongs? It's very simple .After the file name extension is indicated by point (format). For these few characters the operating system determines what file to open. Thus, if a user accidentally deletes or renames the extension, there are problems with the opening of the file.
File extensions there is a huge amount. It is not always a computer can directly open the files with any unknown extension. To help you solve this problem, the Internet, there are websites with databases and file extensions. As a rule, there is a brief description of the format and, most importantly, information, what program can open a file with the extension. By the way, if you look in Windows Explorer, in front of each file name shows the icon indicating the file type. Also, many of the programs selected for the opening of certain files by default, set their badges before the file name.