Follow the simple instructions from the style and function . A single file is a collection of information stored on the computer name . The file can be a text document , image , program , and so on . Files typically have a three -letter extension that indicates the type of file ( for example , picture files are often saved in JPEG format and the file name extension .jpg).

folder is a directory name , and we would call " electronic folder " ; it provides links to the corresponding disk space path address , it does not have an extension , and not as a file format with the extension , as identified . File names can not exceed 255 characters ( including spaces ) .

text document is txt file extension in windows and Right Key page - > New - > drop-down submenu both a text document .