Unable to upload large tile packages (over 1GB) through Add Item in ArcGIS Online.
Last Published: March 1, 2016ArcGIS Online
Bug ID Number
December 31, 2015
March 30, 2022
Will Not Be Addressed
The development team has considered the issue or request and concluded it will not be addressed. The issue's Additional Information section may contain further explanation.
This can be found in the documentation at: http://doc.arcgis.com/en/arcgis-online/reference/faq.htm#anchor38
'Organizational and public accounts can upload items through My Content that are up to 1 GB in size. This is a browser limit; larger file sizes may be supported when uploading through desktop applications such as ArcGIS for Desktop.'