In Google Chrome, it is not possible to select existing auto-fill text when logging into www.arcgis.com.
Last Published: December 16, 2014ArcGIS Online
Bug ID Number
December 5, 2014
August 21, 2020
After review by the development team, it has been determined that this issue is related to a known limitation with the software that lies outside of Esri's control. The issue's Additional Information section may contain further explanation.
Auto complete in the OAuth templates is not supported.