< All Topics Main FAQ ProMass Compatibility Which versions of Xcalibur are compatible with ProMass Print Which versions of Xcalibur are compatible with ProMass PostedAugust 31, 2021 UpdatedSeptember 1, 2021 ByWill McIntyre ProMass 4.0 is compatible with Xcalibur 2.0.7 through Xcalibur 4.x.