Q: does the Messenger (peace be upon him) exist everywhere and did he know the Ghayb (Unseen)?
A: It is wellknown in the Din (religion of Islam) by necessity and by Shar'y (Islamic legal) evidence that the Messenger (peace be upon him) does not exist everywhere. His body is in his grave in AlMadinah AlMunawwarah (The Lightened City), while his soul is with the highest companion in Paradise. The evidence for this is what was authentically reported from him: When he (peace be upon him) was dying, he said twice, "O Allah! (Let me be) with the highest companion," and then died.
Say: "None in the heavens and the earth knows the Ghaib (Unseen) except Allâh, nor can they perceive when they shall be resurrected."