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Kingsoft Spreadsheets document
File type: Spreadsheet and workbook file
Files with et extension can be mostly found as spreadsheet documents for the Kingsoft Spreadsheet program from Kingsoft Office.
Found 3 different file type records with the same et filename suffix.
File type category:
Spreadsheet and workbook file
Date updated: June 23, 2025
File extension et is mainly related to spreadsheet templates used by Kingsoft Spreadsheets, one of the programs from Kingsoft Office.
A .et file is a spreadsheet document prepared using the Spreadsheets program.
It seems this file type works only in Kingsoft Office and is not well supported in other similar programs.
You may resave .et spreadsheets to other similar formats, such as XLS or XLSX from Excel.
Software applications that can open et files:
Microsoft Windows
Multiplatform
Software applications that can edit et files:
Microsoft Windows
Multiplatform
Software capable of saving et files:
Microsoft Windows
Multiplatform
Software apps that create et files:
Microsoft Windows
Multiplatform
Software apps that print et files:
Microsoft Windows
File type category:
Document file
Date updated: December 19, 2016
File extension et has been also used in Easiteach, an interactive software platform from classrooms developed by RM Education.
It seems that this type of .et files contains data for a lesson, including graphics, animations, sounds, themes and more.
It seems that the last version compatible with ET format is RM Easiteach 3.6, which can also export the files to IWB format.
It is likely that this .et file can be only used in Easiteach.
You can convert et to iwb using Easiteach 3.6 and older.
Software applications that can open et files:
Microsoft Windows
Software applications that can edit et files:
Microsoft Windows
Software capable of saving et files:
Microsoft Windows
Software apps that create et files:
Microsoft Windows
File type category:
Document file
Date updated: September 4, 2018
Record marked as obsolete and not updated for a long time.
The et file extension is related to ETwin, a discontinued Spanish technical software for Microsoft Windows that is used to manage and design grounding transformer networks.
The et file contains saved ETwin project.
You can work with these *.et files in ETwin.
Probably can be exported to other formats.
Software applications that can open et files:
Microsoft Windows
ETwin
Software applications that can edit et files:
Microsoft Windows
ETwin
Software capable of saving et files:
Microsoft Windows
ETwin
Software apps that create et files:
Microsoft Windows
ETwin
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