DimXpert Delete All Tolerances You can use the Delete All Tolerances tool to delete the entire DimXpert database. To delete all DimXpert tolerances: Open a part with DimXpert tolerances. Click Delete All Tolerances (MBD Dimension toolbar) or Tools > MBD Dimension > Delete All Tolerances. To reinstate the DimXpert database, click Undo . Parent topicDimXpert Tools