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Manage phase headers in the programme Gantt chart

Use phase headers to quickly collapse or expand groups of tasks and review phase-level progress on the programme Gantt chart.

Audience

This guide is designed for project manager.

Steps​

Step 1: Locate the phase header in the Gantt chart​

Open the programme Gantt chart and find the coloured phase row at the top of a group of tasks, showing the phase name, task count and average completion.

Locate the phase header in the Gantt chart

Step 2: Review phase summary information​

Hover over the phase header to see a tooltip with the phase name, total number of tasks and percentage complete. Use this to understand overall progress for that phase at a glance.

Review phase summary information

Step 3: Collapse tasks within a phase​

Select the phase header once to collapse it. The chevron icon will point right, and all tasks belonging to that phase will be hidden, keeping the Gantt chart compact.

Collapse tasks within a phase

Step 4: Expand tasks within a phase​

Select the phase header again to expand it. The chevron icon will point down, and all tasks in that phase will become visible in the Gantt chart.

Expand tasks within a phase

Step 5: Understand the phase date bar position​

Look across the chart area to see the faint phase summary bar that spans the visible start and end dates of the phase, helping you understand where the phase sits in the overall timeline.

Understand the phase date bar position

Last updated: 2026-07-11