UNITED STATES
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

         Date of Report (Date of earliest event reported): March 5, 2007

                           IRON MOUNTAIN INCORPORATED
             (Exact name of registrant as specified in its charter)

                 (State or other jurisdiction of incorporation)

                1-13045                             23-2588479
        (Commission File Number)        (IRS Employer Identification No.)

                               745 Atlantic Avenue
                           Boston, Massachusetts 02111
          (Address of principal executive offices, including zip code)

                                 (617) 535-4766
              (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e- 4(c))



On March 5, 2007, we announced a proposed offering of C$175 million in aggregate
principal amount of CAD Senior Subordinated Notes due 2019 by our wholly owned
subsidiary, Iron Mountain Nova Scotia Funding Company. The notes will be fully
and unconditionally guaranteed by Iron Mountain Incorporated ("IMI") and certain
of its wholly owned subsidiaries. The net proceeds from the offering will be
used to repay a portion of the amounts outstanding under IMI's existing term
loan facility. The exact terms and timing of the offering will depend upon
market conditions and other factors. A copy of our press release announcing debt
offering is filed as Exhibit 99.1 to this Current Report on Form 8-K and is
incorporated herein by reference.

The notes are being offered only to qualified institutional buyers under Rule
144A and to persons outside the United States pursuant to Regulation S. The
securities to be offered have not been registered under the Securities Act of
1933, as amended, or applicable securities laws, and until so registered, may
not be offered or sold in the United States except pursuant to an exemption from
the registration requirements of the Securities Act and applicable state
securities laws. This Current Report on Form 8-K shall not constitute an offer
to sell or a solicitation of an offer to buy any securities.


(d)     Exhibits

99.1    Press Release of Iron Mountain Incorporated dated March 5, 2007
        (filed herewith).


Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                          IRON MOUNTAIN INCORPORATED

                                          By:    /s/ John F. Kenny, Jr.
                                          Name:  John F. Kenny, Jr.
                                          Title: EVP and Chief Financial Officer

Date: March 5, 2007