The default maximum rows in CSV export is 65536. If an increase is needed for the maximum export limit follow the instructions below.
Environment
PAN-OS 9.0 and above
Log Export via CVS
Resolution
Warning: Increasing the export to the maximum amount, 1048576, may cause management of the device to slow when exporting but will not affect the traffic traversing the firewall.
From the GUI:
Navigate to Device > Setup > Management
Click the Edit/Gear icon for the Logging and Reporting Setting box and navigate to Log Export and Reporting tab.
The second option down is Max Rows in CSV Export
PAN-OS 9.0
Set the value to the desired number (1 - 1048576).
Commit change
From CLI:
Go to configuration mode by entering configure in the CLI
# set deviceconfig setting management max-rows-in-csv-export <value>
# commit
Additional Information
For additional information on exporting logs, refer to How to Export Logs