POWER OF ATTORNEY
FOR SECTION 16 REPORTING OBLIGATIONS
January 28, 2022
KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints each of Tim Weller, John Abbot, Adam Collicelli, and
William Severance, signing singly, the undersigned's true and lawful
attorney- in-fact to: (i) execute for and on behalf of the
undersigned, in the undersigned's capacity as an officer and/or
director and/or owner of greater than 10% of the outstanding common
stock of Datto Holding Corp., a Delaware corporation (the "Company"),
Forms 3, 4 and 5 (including any amendments, supplements or exhibits
thereto) in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder; (ii) 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 or 5 (including
any amendments, supplements or exhibits thereto) and timely file such
form with the United States Securities and Exchange Commission (the
"SEC") and any stock exchange or similar authority, including without
limitation the filing of a Form ID or any other documents necessary
or appropriate to enable the undersigned to file the Form 3, 4 and 5
electronically with the SEC; (iii) seek or obtain, as the
undersigned's representative and on the undersigned's behalf,
information on transactions in the Company's securities from any
third party, including brokers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such person
to release any such information to each of the undersigned's
attorneys-in-fact appointed by this Power of Attorney and ratifies
any such release of information; and (iv) 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 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.
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 attorneys-
in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of the date first written above.
Signed and acknowledged:
/s/ Emily T. Epstein
Emily T. Epstein