The 32-year-old England international, who joined United from Leicester City in 2019 for a then-world-record 80 million GBP fee, has around eight months remaining on his current deal, which is set to expire in June 2026.
A face-to-face meeting was recently held between the club and Maguire's representatives, with further discussions planned in the coming weeks.
Despite interest from several clubs during the summer transfer window, Maguire has made it clear that he wishes to continue his career at Old Trafford.
His commitment has reportedly impressed United's hierarchy, who view him as an experienced leader both on and off the pitch.
Maguire's time at the club has been a story of resilience. After a difficult start following his high-profile move from Leicester, he has since re-established himself as a dependable figure in defence, delivering solid performances in key matches.
United are eager to secure his future before January, when Maguire would be free to negotiate a pre-contract agreement with foreign clubs if no new deal is reached.
The club's intent to extend his stay reflects manager Ruben Amorim's appreciation of the defender's professionalism and consistency.
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