ArcExplorer is a lightweight data viewer from ESRI for maps and GIS data in these formats:
ArcExplorer performs a variety of basic GIS functions, including display, query, and data retrieval applications.
The ArcExplorer installation can be freely distributed on spatial data CDs so recipients can view data effectively.
Esri regards ArcGIS Explorer as superseding ArcExplorer.[1]
ArcExplorer has been superseded by ArcGIS Explorer.