How does the Win7 system display the file suffix name and how to modify it?

How does the Win7 system display the file suffix name and how to modify it?

1. Open “computer” or any folder, click "Organization"—“Folder and Search Options";

2, in the “ folder Click the “View” tab in the Options “ box, and then in the box below the "Advanced Settings" box will hide the extension of the known file type & rdquo; remove the previous check, click Apply and OK.

After the setting is completed, we can see the different suffixes displayed after different files. At this time, we can modify the file name by renaming. After the name, “.rar”,“.exe”,“.txt” and other extensions are deleted or modified, and the random modification will not be opened to the conference file (TXT is changed to “reg”,“bat&rdquo ;,“vbs”except)