Task link types

  • Release version: Australia
  • Updated March 18, 2026
  • 1 minute to read

    • Task links define the dependency relationship between tasks. Linking tasks creates dependencies that affect task start and finish dates and determine the critical path. The following table describes the four supported link types.

    Table 1. Types of task links
    Link type Abbreviation Description
    Finish-to-Start FS Task B cannot start until Task A finishes.
    Start-to-Start SS Task B cannot start until Task A starts.
    Finish-to-Finish FF Task B cannot finish until Task A finishes.
    Start-to-Finish SF Task B cannot finish until Task A starts.