Files with eoo file extension might be found as workstation exports from ArcInfo / ArcGIS for desktops.
Software that open eoo file
EOO file extension - ArcInfo workstation export data
What is eoo file? How to open eoo files?
File type specification:
The eoo file extension is mainly related to ArcInfo, now known as ArcGIS for Desktop - a GIS software from ESRI.
The eoo file is a workstation export generated by the program. Contains various GIS data in form of shapefiles.
The default software associated to open eoo file:
Company or developer:
Esri
ArcGIS is a group of GIS (Geographic Information System) applications developed by ESRI. rcGIS for Desktop is available in three license level Basic, Standard, and Advanced (formerly ArcView, ArcEditor and ArcInfo).
ArcGIS for Desktop Basic (ArcView) 
Company or developer:
Esri
ArcGIS for Desktop Basic (formerly known as ArcView) is GIS (geographic information system) application used to visualizing, managing, creating, and analyzing geographic data.
ArcGIS for Desktop Basic is a part of the ArcGIS Desktop. ArcGIS for Desktop Basic supports creation of interactive maps, spatial analysis, GIS deployment, map viewing and navigation, map printing etc.
List of software applications associated to the .eoo file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open eoo file, edit eoo file, convert eoo file, view eoo file, play eoo file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting eoo files.
Software that import eoo file - ArcInfo workstation export data
Programs supporting the exension eoo on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for import eoo file action.
Microsoft Windows:
Main software associated with eoo file by default:
ArcGIS
ArcGIS for Desktop Basic (ArcView)
