Those who are moving in an increase of revelation anointing can be said to be moving into the prophetic ministry rather than just an extensive use of the gift. When that ministry begins to impact whole people groups, nations and governments, it will signify the change from prophetic ministry to the office of the prophet.
1 Cor. 14:31 – For you can all prophesy
1 Cor. 14:1-3 – Follow the way of love and eagerly desire gifts of the Spirit, especially prophecy… the one who prophesies speaks to people for their strengthening, encouraging and comfort
Everyone with the Holy Spirit can prophesy, but not all will be called to the office of a prophet. Everyone can teach and pastor, but not all will be called to the office of a teacher or pastor.
Jesus paid to give you this gift
1 Thess. 5:20 – do not despise prophetic utterances