## **EXHIBIT 31.1**

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# CERTIFICATIONS

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I,Jacques Mallette, President and Chief Executive Officer of Quebecor World Inc.,certify that:

 

1.     I have reviewed this annualreport on Form 40-F of Quebecor World Inc.;

 

2.     Based on my knowledge, thisreport does not contain any untrue statement of a material fact or omit tostate a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

 

3.     Based on my knowledge, thefinancial statements, and other financial information included in this report,fairly present in all material respects the financial condition, results ofoperations and cash flows of the issuer as of, and for, the periods presentedin this report;

 

4.     The issuer’s other certifyingofficer(s) and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f)) for the issuer and have:

 

a.     Designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relatingto the issuer, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared;

 

b.     Designed such internal controlover financial reporting, or caused such internal control over financialreporting to be designed under our supervision, to provide reasonable assuranceregarding the reliability of financial reporting and the preparation offinancial statements for external purposes in accordance with generallyaccepted accounting principles;

 

c.     Evaluated the effectiveness ofthe issuer’s disclosure controls and procedures and presented in this reportour conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on suchevaluation; and

 

d.     Disclosed in this report anychange in the issuer’s internal control over financial reporting that occurredduring the period covered by the annual report that has materially affected, oris reasonably likely to materially affect, the issuer’s internal control overfinancial reporting; and

 

5.     The issuer’s other certifyingofficer(s) and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the issuer’s auditors and theaudit committee of the issuer’s board of directors (or persons performing theequivalent functions):

 

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a.     All significant deficienciesand material weaknesses in the design or operation of internal control overfinancial reporting which are reasonably likely to adversely affect the issuer’sability to record, process, summarize and report financial information; and

 

b.     Any fraud, whether or notmaterial, that involves management or other employees who have a significant rolein the issuer’s internal control over financial reporting.

 

 

Date:  December 15, 2008

 

 
| /s/  Jacques Mallette                  |   |
|----------------------------------------|--------|
| Jacques  Mallette                      |   |
| President  and Chief Executive Officer |   |

 

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