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2 Files and Folders

Pre-Processing
Pre-Processing
• Files • Folders
• File Explorer • Components of File Explorer Window
• Working with Files and Folder • Changing the View in File Explorer

The Windows operating system family always included a program for file and
Folder management. The earliest of these was called File Manager in Windows 3.x
family. The program was renamed Windows Explorer in Windows 95. Windows
Explorer was named File Explorer in Windows XP operating system. Successive
versions of Windows introduced new features and capabilities, and generally
progressed from being a simple file system navigation tool into a task-based file File Explorer Icon
management program.

Let us understand the basics about files and folders, and learn how to manage them using File
Explorer.

FILES
A File is a collection of data that has been created, named, and stored on the hard disk
of a computer or on an external storage media.

Filename
Every file stored on a computer has a Filename. The name given to a computer file distinguishes it
from other files. A filename can be a combination of letters and numbers followed by a period (.) and
extension. A filename should not be more than 255 characters. You cannot use any of these special
characters – \ / ? : * “ > < | – in a filename.

Filename Extensions
A Filename Extension is a set of characters added to the end of filename. It helps Windows to
understand what kind of information is in a file and which program will open it.
For example, in the filename Myfile.txt, the extension is .txt. It tells Windows that it is a text file and
can be opened by programs associated with that extension, such as WordPad or Notepad.

Filename extension Program that can open the file

.txt Notepad
.docx Word 2016
.xlsx Excel 2016
.pptx PowerPoint 2016
.mdb Access 2016

.avi Windows Media Player

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