QuickBooks Enterprise Solutions strengthened its growth in the second quarter ended January 31. Intuit reported there were 80,000 active subscribers at the end of the period, a 25-percent increase from 64,000 a year earlier. That was up 4,000 subscribers or 5.2 percent from the prior quarter. Since sequentially quarterly growth has usually been an increase of 2,000 to 3,000 active subscribers, the 4,000-unit increase from the first to second quarter was an improvement.