: Older web systems may use the .aro extension for script files associated with the SteelArrow Web Application Server .
Depending on where you downloaded the file, it likely corresponds to one of the following: Download File Aro.zip
: In the context of environmental or geological research, ARO-2020.zip is a common download containing geodatabase files and project maps for North American datum systems. : Older web systems may use the
If you are unsure of the file's origin, follow these steps to generate a safety report: OGSEarth - GeologyOntario Download File Aro.zip