Charles Spurgeon is one of the greatest preachers of all time and he wrote out his sermons, word for word so the question is “Is a sermon outline even necessary?” If not, then is it okay to write out sermon outlines or to write out the sermon in full? This depends on the man who is preaching. I see nothing wrong with having a sermon outline or a fully written sermon. The only issue might be that if the Holy Spirit wants the preacher to go in a different direction and elaborate on something else the church needs to hear, the sermon notes and even an outline might restrict the Spirit’s guidance or direction during the message. The point is, don’t be married to the sermon outline or the sermon message.
CH Spurgeon
Website: https://www.patheos.com/blogs/christiancrier/2014/12/08/how-to-write-a-sermon-outline/