How to open ES3 files

Did your computer fail to open an ES3 file? We explain what ES3 files are and recommend software that we know can open or convert your files.

What is an ES3 file?

The ES3 file extension indicates to your device which app can open the file. However, different programs may use the ES3 file type for different types of data.

We are aware of 1 different use of the ES3 extension, which you can read more about below.

e-Szigno signed document

Through our analysis of ES3 files, we know that one use of the format is e-Szigno signed document. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix ES3 files

These apps are known to open certain types of ES3 files. Since many different programs may use ES3 files for different purposes, you may need to try a few of the apps to open your specific ES3 file.

e-Szignoe-SzignoUser submitted
NetLock MOKKANetLock MOKKAUser submitted
We have not verified any programs that we know for certain can work with ES3-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with ES3-files. If you know one, please use the Suggest link below and tell us about it!