The largest area you can export is an entire region. The largest region we have AI coverage for is New York City.
The below table shows three actual examples of AI Parcel data export based on a subscription to ALL packages.

Area of interest
Number of parcelsCSV zip fileVector Layers zip file
Example 1Suburban metro council area in Sydney, Australia

27 3994.31 MB32.99 MB
Example 2Manhattan 

112 68715.57 MB67.38 MB
Example 3Sydney CBD

395 55569.19 MB394.48 MB