Anaplan, Inc. - Power of Attorney

        KNOW ALL BY THESE PRESENTS, the undersigned hereby constitutes and
appoints each of Gary Spiegel and Suhani Akhare, signing singly, and with full
power of substitution, the undersigned's true and lawful attorney-in-fact to:

     (1) execute for and on behalf of the undersigned a Form ID Application, if
         required, and submit the same to the United States Securities and
         Exchange Commission;
     (2) execute for and on behalf of the undersigned, in the undersigned's
         capacity as an officer and/or director of Anaplan, Inc. (the "Company")
         or as a holder of 10% or more of the Company's securities, Forms 3, 4
         and 5, and any amendments thereto, in accordance with Section 16 of the
         Securities Exchange Act of 1934, as amended, and the rules thereunder
         and, if necessary, such forms or similar reports required by state or
         foreign regulators in jurisdictions in which the Company operates;
     (3) do and perform any and all acts for and on behalf of the undersigned
         that may be necessary or desirable to complete and execute any such
         Form 3, 4 or 5 or similar form or report required by state or foreign
         regulators, and any amendments thereto, and file such form or report
         with the United States Securities and Exchange Commission and any stock
         exchange or similar authority or appropriate state or foreign
         regulator; and
     (4) take any other action of any type whatsoever in connection with the
         foregoing that, in the opinion of such attorney-in-fact, may be of
         benefit to, in the best interest of or legally required to be done by
         the undersigned, it being understood that the documents executed by
         such attorney-in-fact on behalf of the undersigned pursuant to this
         Power of Attorney shall be in such form and shall contain such terms
         and conditions as such attorney-in-fact may approve in such attorney-
         in- fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Power of Attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934, as amended, and the rules thereunder. This Power of
Attorney may be filed with the SEC as a confirming statement of the authority
granted herein.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneysin- fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of the date written below.

Date:September 12, 2018
     ------------------
By:/s/ David Conte
   ---------------------------
Name:David Conte
     -------------------------