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 of Ansoft Corporation (the "Company") on Form 10-Q for the quarter ended October 31, 2004 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), each of the undersigned officers of the Company, certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge: (1) The Report fully complies with requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; 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: December 10, 2004 By: /s/ Nicholas Csendes --------------------------------- Nicholas Csendes President and Chief Executive Officer Date: December 10, 2004 By: /s/ Thomas A.N. Miller --------------------------------- Thomas A.N. Miller Chief Financial Officer This certification is made solely for purposes of 18 U.S.C. Section 1350, subject to the knowledge standard contained therein, and not for any other purpose.