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Dependency Types

Overview

Dependency Types are related to predecessors. They describe the five different relationships of supported tasks. 

Dependency Types

Finish-Start (fs)

The predecessor task must finish before the dependent task can start. This is the default dependency type, used when no other dependency type is specified.

Finish-Finish (ff)

The predecessor task must finish before the dependent task can finish.

Start-Start (ss)

The predecessor task must start before the dependent task can start.

Start-Finish (sf)

The predecessor task must start before the dependent task can finish.

Scheduled-Start (sd)

This schedules a task as Finish-Start, but actual enforcement type is a Finish-Finish. When you use this, the dependent task is scheduled to start after the predecessor task is completed. However, the enforcement makes it so the dependent task can start anytime, but can't finish until the predecessor task is finished.

Considerations

Dependency types are found under Project > Task > Predecessors Tab

To learn more, see the predecessor help article.