Consumers on a buying mission can hit several major malls, including Toronto's Eaton Centre, the West Edmonton Mall and Vancouver's Pacific Centre, which opened early Friday.
Many grocery store chains and pharmacies are also open, but at reduced hours.
However, post offices across the country are closed and there is no mail delivery service. All government offices as well as banks are closed.
Many transit services were operating on reduced schedules.
The Toronto Transit Commission is running on a holiday service schedule, while GO Transit, which serves the Greater Toronto Area, is operating on a Saturday service schedule.
Ontario's Beer Stores and LCBO were also closed.
In Halifax, malls and most businesses are closed , since Boxing Day is a designated retail closing day by Nova Scotia law.
But a few businesses in New Brunswick had already declared they will defy the provincial law and open their doors.