ZingSync

By definition, the predecessor is the first task; it controls the start or end date for all related successor tasks. The successor, by contrast, is the task whose start or end date is controlled by the predecessor. A dependency is the relationship between predecessor and successor tasks.Click to see full answer. Then, what is a successor in MS Project?In project management a successor is an activity that follows another activity – not in the chronological sense but according to their dependency to each other.