An odb file extension is related to ArcView, a program for viewing and edit GIS data. A .odb file stores object database ASCII file format.
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.ODB file extension - ArcView object database ASCII data
What is odb file? How to open odb files?
File type specification:
The odb file extension is associated with the ArcView, an application for Microsoft Windows used to view and edit GIS data held in a flat file database.
The odb file stores object database in ASCII text file format similar to ODB (OpenDocument) file format.
The default software associated to open odb file:
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 .odb 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 odb file, edit odb file, convert odb file, view odb file, play odb 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 odb files.
Software that open odb file - ArcView object database ASCII data
Programs supporting the exension odb on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about ArcGIS for Desktop Basic (ArcView) for open odb file action.
