The hosts beat South Korea 4-0 at a packed Parc des Princes.
Corinne Diacre's side is the favourites to win the eighth edition of the competition.
At half-time, they were leading 3-0 thanks to Eugenie Le Sommer's early opener and two headers from defender Wendie Renard.
Midfielder Amandine Henry scored in the 85th minute to seal the victory for the hosts.
VAR is being used in the Women's World Cup for the first time but the French fans booed in frustration at both the length of time it took to review footage.
Today in Group B action, Germany take on China while Spain face South Africa and in Group A fixture Norway play Nigeria.
Meanwhile, reigning champions United States will get their campaign underway against Thailand on Tuesday.
New Zealand overcame a blitz from centurion Harry Brook to beat England by four wickets on Sunday in the opening game of their three-match one-day international series, with Daryl Mitchell and Michael Bracewell scoring half-centuries.
Belinda Bencic breezed past Czech sixth seed Linda Noskova 6-2 6-3 to win the Pan Pacific Open title on Sunday, erasing bitter memories of her straight-sets defeat by Agnieszka Radwanska in the title clash of the same tournament 10 years ago.
Liverpool manager Arne Slot said opponents have identified a winning strategy against his Premier League champions and he needs to find a solution fast after a 3-2 defeat at Brentford on Saturday made it four league losses in a row.
Rohit Sharma hit a century and Virat Kohli a bright 74 to drive India to a nine-wicket win in the third one-day international on Saturday, sending fans home happy after what are likely to be their final appearances in Australia in their country's colours.