.ET File Extension
File Type 1Easiteach Lesson File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an ET file?
Teaching lesson created by Easiteach, a program that allows teachers to develop classroom lessons and deliver them through an interactive interface; contains lesson data such as layouts, navigation, images, text, themes, and animations.
File Type 2Kingsoft Spreadsheets File
This file is saved in a binary format, which requires a specific program to read its contents.
.ET File Association 2
Spreadsheet created by Kingsoft Spreadsheets, a free application similar to Microsoft Excel; saves a spreadsheet in the form of rows and columns; also supports formulas and charts; used as the native spreadsheet format for the software, but can be converted to an .XLS or .XLSX file usable by Microsoft Excel.