How to Show Timeline and Gantt Chart Views in MS Project

Trying to show a timeline and Gantt chart together in Microsoft Project can feel harder than it should. You may see one view, lose the other, or spend time searching through tabs for a setting that seems hidden. That confusion becomes frustrating when you need to explain project dates during a meeting, check task dependencies, or present progress clearly. The good news is that MS Project supports both views, and you can display them together with a few menu commands. I’ll show you exactly how to open each view, add tasks to the timeline, place the timeline above the Gantt chart, and fix common display problems.

How to Show the Timeline and Gantt Chart in MS Project

To show both views in MS Project, open the Gantt Chart view, enable the Timeline from the View tab, and then add selected tasks to the timeline. The Gantt chart gives you detailed scheduling information, while the timeline provides a simpler summary for presentations and quick reviews.

1. Open the Gantt Chart view

1. Open your project in Microsoft Project.
2. Select the View tab on the ribbon.
3. Choose Gantt Chart in the Task Views group.

You should now see the task table on the left and horizontal schedule bars on the right. The bars represent task duration, while arrows show relationships between tasks.

2. Turn on the timeline

1. Stay on the View tab.
2. Find the Split View or Timeline option, depending on your MS Project version.
3. Select Timeline.

In many desktop versions, the timeline appears above the Gantt chart. If you see a blank timeline, that is normal. You still need to add tasks to it.

3. Add tasks to the timeline

You can add individual tasks, summary tasks, or major milestones.

1. In the Gantt chart, select the task you want to highlight.
2. Right-click the task.
3. Choose Add to Timeline.

You can also select a task and use the Task tab to find the timeline command. Add only the work that matters to your audience. A project timeline becomes difficult to read when it contains every small activity.

4. Add a summary task or milestone

For an executive overview, add major phases such as planning, design, testing, and launch. Milestones are also useful because they mark important dates without taking up much visual space.

1. Locate the summary task or milestone in the task list.
2. Right-click it.
3. Select Add to Timeline.

For example, a software project might show “Requirements Approved,” “Beta Release,” and “Production Launch” on the timeline while keeping detailed development tasks in the Gantt chart.

5. Display both views at the same time

With the timeline enabled, MS Project normally places it above the Gantt chart. You can drag the dividing line between the two areas to give either view more space.

Use the timeline for a quick story about the project. Use the Gantt chart beneath it when you need to inspect dates, dependencies, task owners, or progress.

6. Adjust the timeline appearance

Select an item on the timeline to access formatting options. Depending on your version, you may be able to change colors, move items between timeline rows, adjust the date scale, or change the display of task labels.

Keep the design simple. Use one color for planned work, another for milestones, and a third for items that need attention. Too many colors can hide the schedule story you are trying to explain.

7. Hide or remove timeline items

If the timeline becomes crowded, remove items without deleting their tasks from the Gantt chart.

1. Right-click the item on the timeline.
2. Choose Remove from Timeline.

This changes only the timeline display. The task remains part of the project schedule and continues to appear in the Gantt chart.

8. Return to a Gantt-only view

To hide the timeline, open the View tab and clear the Timeline option. The Gantt chart remains available as the main working view.

What the Timeline and Gantt Chart Do Differently

The two views answer different planning questions. A Gantt chart helps you manage the schedule in detail. A timeline helps you communicate the schedule at a glance.

For example, a marketing launch may contain 80 detailed tasks in the Gantt chart. The timeline might show only campaign planning, creative approval, website release, and launch day.

But here's the truth: the timeline is not a replacement for the Gantt chart. It is a summary layer that makes a detailed schedule easier to understand.

How to Add Useful Information to the Timeline

A useful timeline contains decisions and dates that people need to remember. Start by selecting the tasks that affect delivery, approval, funding, compliance, or customer communication.

Choose high-value tasks

• Project start and finish milestones
• Major approval points
• Product releases
• Testing or inspection periods
• Important customer commitments
• Phase completion dates

Suppose your construction project has 150 scheduled activities. Adding every activity to the timeline would create noise. Showing design approval, permits complete, construction start, inspection, and handover would tell a much clearer story.

Use summary tasks for phases

Summary tasks group related activities. They are often easier to read than individual tasks because they show the overall duration of a project phase.

Before adding a summary task, check that the underlying tasks have sensible dates. If the phase dates are inaccurate, the timeline will repeat that inaccuracy in a more visible format.

How to Make the Combined View Easier to Read

When both views appear together, screen space becomes important. A narrow Gantt chart can make task names and schedule bars difficult to inspect, while a narrow timeline can hide labels.

Resize the two sections

Place your pointer over the border between the timeline and Gantt chart. Drag the border upward or downward until both areas support the current task.

During a presentation, give the timeline more space. During schedule maintenance, enlarge the Gantt chart so you can inspect task relationships.

Adjust the time scale

Use the View tab to change the Gantt chart timescale. Months or quarters work well for portfolio-level planning. Days or weeks work better for active delivery work.

For example, a six-month product launch may be readable by month during a steering meeting. A two-week testing plan may need a daily scale.

Reduce unnecessary detail

Hide columns you do not need during a presentation. Keep useful fields such as task name, start, finish, duration, and percent complete when reviewing progress.

Here's why: viewers understand a visual schedule faster when each area has one clear job. The timeline summarizes. The Gantt chart explains.

How to Fix Common Timeline Display Problems

The timeline option is missing

Check that you are using a desktop version of MS Project that supports the timeline view. Also confirm that you are on the View tab and looking for the command in the task view controls.

If the ribbon is compressed, some commands may appear inside a smaller drop-down menu. Expanding the application window can make the option easier to locate.

The timeline appears blank

A blank timeline usually means that no tasks have been added. Select an important task in the Gantt chart, right-click it, and choose Add to Timeline.

A task does not appear where expected

Check the task's start and finish dates. A task with missing dates, an incorrect constraint, or an unusual calendar may display differently from your expectation.

The timeline is too crowded

Remove minor tasks and retain milestones or summary tasks. You can also move items into separate timeline rows when your version provides that formatting option.

The Gantt chart and timeline seem inconsistent

Review the schedule logic in the Gantt chart first. Look for manually entered dates, broken dependencies, inactive tasks, and incomplete progress updates. The timeline reflects the schedule; it does not correct scheduling problems automatically.

Practical Ways to Use Both Views

You can use the combined layout for several different planning situations. The best setup depends on who is viewing the schedule and what decision they need to make.

Project status meetings

Keep major milestones on the timeline and use the Gantt chart to explain delays. For example, if testing is late, the detailed view can reveal which predecessor task caused the shift.

Executive presentations

Show the timeline first. Use the Gantt chart only when someone asks about task duration, dependencies, or ownership.

Weekly schedule maintenance

Give most of the screen to the Gantt chart. Keep a small timeline visible so you can confirm that daily schedule changes still support the broader delivery plan.

You might be wondering: should every project use both views? No. A short project with five tasks may need only a simple task list. A complex project with several phases benefits much more from the combined layout.

A Timeline and Gantt Chart Solution: ONES.com

ONES.com brings project management and knowledge management together through separate products: ONES Project for planning and delivery, and ONES Wiki for organized team knowledge. ONES Project is a Jira alternative with Gantt planning, sprint management, reporting, custom workflows, and automation.

The platform can suit teams that need detailed schedules without relying on a collection of disconnected add-ons. It supports Cloud, On-Premise, Private Cloud, and Air-gapped deployments, with full feature parity between cloud and self-hosted versions.

Core capabilities

• Scattered schedules → Gantt planning in ONES Project → See phases, durations, dependencies, and delivery dates in one project view.
• Complex approval paths → Custom workflows → Match project stages to your actual review and approval process.
• Rigid task structures → Custom fields → Track information such as priority, risk, release, department, or compliance status.
• Manual progress reporting → Built-in reporting → Review schedule and delivery information without assembling separate reports.
• Separate sprint and long-term planning → Sprint management with broader project planning → Connect iterative work with larger release goals.
• Repeated administrative work → Automation → Reduce routine actions such as status changes, notifications, and workflow transitions.
• Plugin-heavy Jira environments → Native project capabilities → Handle common planning and reporting needs with fewer additional extensions.
• Restricted network requirements → On-Premise, Private Cloud, and Air-gapped deployment options → Keep project operations aligned with internal security and infrastructure requirements.

Application scenarios

A software team can use ONES Project to connect sprint work with release milestones. The team might plan stories in a workflow while using Gantt planning to review dependencies between testing, security review, and launch preparation.

An engineering organization can use custom workflows and fields for design reviews, approvals, and production readiness. Built-in reporting can then help managers review progress across several active initiatives.

A regulated team may need a self-hosted deployment. ONES.com supports On-Premise, Private Cloud, and Air-gapped environments, so the team can choose an operating model that fits its network requirements.

Common Challenges and Practical Solutions

Challenge: The timeline contains too many tasks

Solution: Keep only milestones, major phases, and decisions on the timeline. The Gantt chart can hold the detailed schedule.

Challenge: Dates change frequently

Solution: Update task relationships and durations in the Gantt chart instead of manually changing summary dates. This helps later dates respond to schedule changes.

Challenge: Stakeholders cannot understand the Gantt chart

Solution: Start meetings with the timeline. Move into the detailed view only when someone needs to investigate a date, dependency, or delay.

Challenge: The two views show unexpected dates

Solution: Check calendars, constraints, manually scheduled tasks, and predecessor relationships. The visible timeline depends on the underlying schedule logic.

Challenge: The timeline loses context

Solution: Add short labels or use summary tasks with clear names. “Testing” is less helpful than “System testing complete,” especially in a large program.

FAQs

Can I show the timeline above the Gantt chart in MS Project?

Yes. Open the Gantt Chart view, enable Timeline from the View tab, and add tasks to the timeline. MS Project generally places the timeline above the Gantt chart. You can drag the divider between the two areas to change how much space each view receives.

Why is my MS Project timeline blank?

The timeline is usually blank because no tasks have been added to it yet. Select a task in the Gantt chart, right-click it, and choose Add to Timeline. Add milestones and summary tasks first because they provide a cleaner overview than every detailed activity.

Can I add milestones to the timeline?

Yes. Milestones are especially useful because they highlight important points such as approvals, releases, inspections, and handover dates. Select the milestone in the Gantt chart, right-click it, and choose Add to Timeline. Its position will reflect the milestone date in the schedule.

Does removing a task from the timeline delete it from the project?

No. Choosing Remove from Timeline changes only the summary view. The task remains in the Gantt chart and continues to affect the project schedule. This makes it safe to simplify the timeline for different audiences without changing the underlying plan.

Should I use the timeline or Gantt chart for project meetings?

Use both when the meeting includes status communication and schedule investigation. Start with the timeline to explain major dates and phases. Switch attention to the Gantt chart when you need to discuss dependencies, task durations, progress, or the reason behind a delay.

Conclusion

To show both views in MS Project, open the Gantt Chart view, enable the Timeline from the View tab, and add important tasks or milestones. Keep the timeline focused on major events, while the Gantt chart carries the detailed schedule.

But here's the practical takeaway: a clear timeline makes the project easy to explain, and a well-maintained Gantt chart makes it possible to manage. If your current planning process has grown beyond a single desktop schedule, a platform such as ONES.com can provide structured project planning, reporting, workflows, and deployment choices in one environment.