Open Text (OTEX) 10-Q 2009 Q2 Quarterly report

Exhibit 32.1 

CERTIFICATION PURSUANT TO 

18 U.S.C. SECTION 1350, AS ADOPTED 

PURSUANT TO SECTION 906 

OF THE SARBANES-OXLEY ACT OF 2002 

In connection with the Quarterly Report on Form 10-Q of Open Text Corporation (the Company) for the quarter ended December 31, 2008 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, John Shackleton, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. (S) 1350, as adopted pursuant to (S) 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and 

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. 

Date: February 4, 2009	By:                                 /s/ JOHN SHACKLETON
	John Shackleton
	President and Chief Executive Officer