Data for the paper: The Impact of Angular Momentum Loss on the Outcomes of Binary Mass Transfer (https://arxiv.org/abs/2308.06666). Associated data processing scripts can be found on github, at the fixed version linked here: arXiv.2308.06666_scripts Each dataset corresponds to a variation in angular momentum loss value or mass transfer efficiency (often both), or in the mass transfer stability prescription. These all include the following COMPAS hdf5 groups: 'BSE_System_Parameters', 'BSE_RLOF', and 'BSE_Supernovae'. They are designed to be used in conjunction with the data processing scripts above, though you are free to try to write your own independent post-processing scripts to test the validity of the presented results. For any questions, please contact the corresponding author.