Show or hide file name extensions in Windows 7
Posted on Thursday, 2 June 2011
A file name extension is a set of characters added to the end of a file name that determine which program should open it. Follow these steps to choose whether Windows displays these file extensions.
- Open Folder Options by clicking the Start button, clicking Control Panel, clicking Appearance and Personalization, and then clicking Folder Options.
- Click the View tab, and then, under Advanced settings, do one of the following:
- To hide file extensions, select the Hide extensions for known file types check box, and then click OK.
- To display file extensions, clear the Hide extensions for known file types check box, and then click OK.
