Most vs Almost

Incorrect: Most everyone agrees that cheating is bad.
Correct: Almost everyone agrees that cheating is bad.
 Incorrect: I think most everybody will agree that summer flies by too fast.
 Correct: I think almost everybody will agree that summer flies by too fast.
Incorrect: I feel like most all of my friends are fake.
Correct: I feel like almost all of my friends are fake.

Source Daily Writing Tips