Spray heatproof bowl (metal, glass or ceramic) that fits inside of Instant Pot® with nonstick cooking spray. Combine oats, quinoa, 1/4 cup cranberries, raisins, flax seeds, chia seeds, oil, salt and cinnamon in prepared bowl; mix well.Stir in 2 1/2 cups almond milk until blended.
Pour water into pot. Place rack in pot; place bowl on rack. Secure lid and move pressure release valve to Sealing position. Press Manual or Pressure Cook; cook at high pressure 13 minutes.
When cooking is complete, use natural release.
Stir porridge until smooth. Serve with additional almond milk, cranberries, maple syrup and almonds, if desired.