The 33-year-old's previous Man Utd deal was due to expire at the end of the season.Maguire's new contract comes after he earned an England recall for the March internationals and featured in both games, raising hopes of making Thomas Tuchel's World Cup squad.Maguire has started every game since Michael Carrick took charge in January and helped with Man Utd's significant upturn, losing only one of 10 games and moving up to third in the Premier League.
Speaking after signing his new deal, he told the club's website:
"Representing Manchester United is the ultimate honour. It is a responsibility that makes myself and my family proud every single day."I am delighted to extend my journey at this incredible club to at least eight seasons and continue to play in front of our special supporters to create more amazing moments together.
"You can feel the ambition and potential of this exciting squad. The determination throughout the whole club to fight for major trophies is clear for everyone to see and I am confident that our best moments together remain ahead of us."
