Open Text Corp. revenue for the last year amounted to 4.14 B EUR, the most of which — 1.77 B EUR — came from its highest performing source at the moment, Customer Support, the year earlier bringing 1.25 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought Open Text Corp. 2.34 B EUR, and the year before that — 1.85 B EUR.