Microsoft Project inserts an automatic split between the actual work and the remaining work on a task. The split is invisible on the Gantt Chart, by default, because there is no gap between the actual work and remaining work. If you have resources that are interrupting work on a task, and you need to reschedule the remaining work to a later date, you can create a gap between the actual work and remaining work on a task by moving the remaining portion of a task.
To insert a split between actual work and remaining work
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