The password is the "thing you know" and the password manager file is the "thing you have". So if someone compromised your email account knowing your password, they still need to access your password manager file to get access to the 2FA codes.
So it's still a second factor in that sense.
The password is the "thing you know" and the password manager file is the "thing you have". So if someone compromised your email account knowing your password, they still need to access your password manager file to get access to the 2FA codes.
So it's still a second factor in that sense.