You may find the most commonly asked questions in the list below provided by Passport Canada. If you have a general inquiry on passport program, you may contact Passport Canada office directly through their webform service. Click here.

General FAQ topics:

• Applying for a passport
  • Simplified renewal application process
  • Application forms with barcodes
  • PDF application forms
  • Documents to include with your application
  • Passport photos
  • Passport fees
  • Submitting your application
  • Processing times
  • Nexus Cards
• Completing the adult passport application
  • Changing Your Name
  • Declaration of guarantor
  • Previous Canadian passport
  • Proof of Canadian citizenship
  • Documents to support identity
  • Additional personal information
• Completing the child passport application
  • Child’s personal information
  • Information on applicant
  • Previous Canadian passport
  • Proof of Canadian citizenship
  • Declaration of guarantor
  • Miscellaneous
• Passports in general
  • Passport validity
  • Changing personal information
  • Lost, Stolen or damaged passport
  • Passport of a deceased person
  • Passport standards and specifications
• The ePassport
  • How ePassports work
  • Security
• Travel information
  • Travelling in general
  • Travelling in North America
  • Travelling with children

Source: https://www.canada.ca/en/immigration-refugees-citizenship/services/canadian-passports/help-centre.html