Can I leave my luggage at Charles de Gaulle airport?

Left luggage at Charles de Gaulle Airport

You can find the option of storing luggage at CDG by using EasyCDG. The Left luggage facility is located in terminal 2 (before security) nearby the Railway station Aéroport Charles de Gaulle 2 (Level 4).

Is it OK to arrive 2 hours before international flight?

The General Guideline for How Early You Should Get to the Airport. Generally speaking, most airlines advise that you arrive at the airport at least 2 hours prior to a domestic flight, and at least 3 hours prior to an international flight.