E

edit field

See text box.

encryption

The process of making information indecipherable to protect it from unauthorized viewing or use, especially during transmission or when it is stored on a transportable magnetic medium.

environment variable

A string consisting of environment information, such as a drive, path, or filename, associated with a symbolic name that can be used by Windows. To define environment variables, use System in Control Panel (Windows NT) or use the Set command from the Windows command prompt.

extension

See filename extension