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 Annual Report of Citrix Systems, Inc. (the “Company”) on Form 10-K for the period ending December 31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Robert M. Calderoni, Interim Chief Executive Officer and President of the Company, and Arlen R. Shenkman, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to our knowledge, that:

(1)The Report fully complies with the 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.

By:	/S/    ROBERT M. CALDERONI
	Robert M. Calderoni
	Interim Chief Executive Officer and President
	(Principal Executive Officer)
By:	/S/    ARLEN R. SHENKMAN
	Arlen R. Shenkman
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

February 16, 2022