ASI

You can’t actually modify the data permanently in the datatable associated with the test script during a test run but there are two approaches you can take in order to save the data into an external file that you can use later. 

This article is written based on QuickTest Professional version 10, however it applies to most of the past versions. What is the Maximum Rows and Columns in QuickTest Pro? The data table built into QuickTest Professional is actually a 3rd party product that was integrated into the product back when Mercury Interactive first created AstraQuickTest.  [...]