Exhibit 24

                                POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that each person whose signature appears below
constitutes and appoints Deborah L. Steiner and Jeffrey G. Gorski, and each of
them, his/her true and lawful attorney-in-fact and agent in any and all
capacities, to:

        (1)     execute for and on behalf of the undersigned, in the
        undersigned's capacity as a director or officer of R. R. Donnelley &
        Sons Company (the "Company"), Forms 3, 4 and 5 in accordance with
        Section 16(a) of the Securities Exchange Act of 1934, as amended (the
        "Exchange Act"), as well as Forms 144 in accordance with the Securities
        Act of 1933 and the rules thereunder;

        (2)     do and perform any and all acts for and on behalf of the
        undersigned which may be necessary or desirable to complete and execute
        any such Form 3, 4, 5, and/or Form 144, and timely file such Form(s)
        with the United States Securities and Exchange Commission ("SEC") and
        the New York Stock Exchange, including completion of Form ID or any
        other form or document required to utilize the SEC's electronic filing
        system; and

        (3)     take any other action of any type whatsoever in connection with
        the foregoing which, in the opinion of such attorney-in-fact may be of
        benefit to, in the best interest of, or legally required by, the
        undersigned, it being understood 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 attorney-in-fact named herein 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, with full power of substitution or revocation, hereby
ratifying and confirming 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
Exchange Act, as amended.

The undersigned revokes all prior powers of attorney related to the subject
matter of this Power of Attorney. 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
signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this twenty sixth day of September, 2016

         John Pecaric                       /s/ John Pecaric
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         Printed Name                       Signature