I’m sure everyone has seen people holding hands during the Our Father, some raise their hands (orans posture), or some have their hands folded. Are all three allowed? Is one preferred? Does it even matter? There two resources below that will give you an answer to the question!
Archbishop Pettipas of the Archdiocese of Grouard-McLennan addresses whether or not it is proper for people to hold hands or raise their hands during the Our Father at Mass.
For a more detailed explanation, I suggest clicking here (this will bring you to Catholic365.com).