The 35-year-old's current deal is set to expire at the end of the season but talks are underway about a renewal.
After starting the season out of the side, Carrick has become a crucial member of Jose Mourinho's team.
Man United predicted team to face Sunderland
Fri, April 7, 2017
Express Sport brings you Manchester United's predicted team to face Sunderland
Man Utd via Getty Images
1 of 12
Who will Jose Mourinho start against Sunderland?
But Carrick says he won't play for another club in England if he leaves Old Trafford.
"It won't be anywhere else in England [next season], no. I've had too many good times here to do that elsewhere," he told Sky Sports.
"I've said it for a number of months now, I'm just really enjoying playing football. When you get to this age and you come closer to the end, obviously you get asked these questions but I'm just trying to play and compete in the team and be part of the squad and see how long that takes.
Manchester United midfielder Michael Carrick
"I feel fit at the moment and we've got such a busy time, I haven't really given much thought to it, I've just been playing and concentrating on what we can achieve this season. Anything else can be sorted out in good time.
Get Quotes on Home Insurance
"In some ways you do [try to enjoy every moment], and in some ways it's just what I've always done. Of course, around the corner, you're thinking about how long you've got left but then you come in to training and go about your business exactly in the same way.
"Whether I play on Sunday or not, it's the same thing. Obviously I have a bit more experience to pull on so you understand situations but it's business as usual really."