The Apocrypha was not included in the Protestant Bible because: The Apocrypha was discovered after the Protestant Bible was compiled.
Most of the early church leaders did not accept these writings as being inspired.
These writings were not included in the ancient Hebrew Scriptures.
The Jews kept the writings a secret.
Jesus never quoted from these books, as He did other Scriptures.
The quality of the writings, compared with the accepted books, makes them unaccept