Open Text Corporation revenue for the last year amounted to 4.52 B USD, the most of which — 1.94 B USD — came from its highest performing source at the moment, Customer Support, the year earlier bringing 1.31 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Open Text Corporation 2.55 B USD, and the year before that — 1.94 B USD.