>> ET3 file

ET3 file format description

Many people share .et3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .et3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .et3 files.

1 filename extension(s) found in our database.

.et3 - e-Szigno Recorded Delivery Data

The ET3 other files are related to e-Szigno. ET3 file is an e-Szigno Recorded Delivery Data. The e-Szigno is an electronic signature creation application. e-Szigno is widely used by Hungarian barristers, notaries and by various governmental and private organizations in Hungary.

Other files
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e-Szigno Recorded Delivery Data related extensions:
e-Szigno Signed Document

Naturally, other applications may also use the .et3 file extension. Even harmful programs can create .et3 files. Be especially cautious with .et3 files coming from an unknown source!

Can't open a .et3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .et3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

e3, ef3, et, ete, etr, etw, ft3, rt3, st3, t3, te3

Is it possible that the filename extension is misspelled?

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Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .et3 file format, then write to us!

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