File Extension ET

  • Full name
    ETwin Project Format
  • Developer
  • Popularity
Have you encountered a problem with a ET file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a ET file here. In the further part of this page we have added a list of programs that should open your ET file. It is enough you choose a proper application for your operating system, download and install it.

What is ET file?

The Spreadsheets spreadsheet uses the extension ET for its spreadsheets in its own proprietary format.

More info

In addition to the table cell values, an ET file also contains formatting instructions, formulas and possibly also macros. These macros may also contain malicious code, which is why it is advisable, especially for ET files from unknown sources, to subject them to virus scanning before executing the macros.

Programs which can open a ET file

How to open file with ET extension?

In order to open a file with ET extension one of the following programs must be installed on user’s system. If a problem with opening ET file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with ET files, follow the instructions below.
Install Kingsoft Spreadsheets or other program from the list

Most often resolving problems with opening ET files is very simple. Just install an appropriate program that supports such files. All of the listed programs support ET files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of ET files or offer file conversion options, but may not be capable of editing such files.

Set Kingsoft Spreadsheets as the default program for opening ET files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate ET files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Kingsoft Spreadsheets applications is not on the list, select "Browse" option in order to manually locate the directory where Kingsoft Spreadsheets has been installed.


Check the section that lists most common problems with ET files

Sometimes problems with opening ET files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • ET files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open ET files (should that be the case, please contact your system administrator or IT specialist)
  • ET file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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