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Fix MS Project Progress Line Attached to Completed Tasks

Steve K Sep 28, 2026 868 views

Question details

Users are seeking a way to fix or remove progress lines that remain visually stuck to tasks that have already been marked as complete.

Fix MS Project Progress Line Attached to Completed Tasks

Product: Microsoft Project
Device & OS: not provided
Scenario: Tracking schedule status and visualizing task progress using the progress line feature on a Gantt chart.
Observed behavior: The progress line remains attached to completed tasks, making finished work appear late, misleading, or misaligned with the actual project status date.

Before you start

Ensure your project status date is correctly set and that all task actual finish dates and percent complete values are accurately recorded before troubleshooting the visual display.

Solution 1Recommended

Adjust Progress Line Settings and Status Date

Verify and correct the status date and progress line display settings to ensure they align with your current tracking period.

Microsoft Project progress lines rely heavily on the defined status date. If the status date does not match the reporting period, the line will draw inaccurately across completed tasks.

Set the correct Status Date

Navigate to the 'Project' tab on the ribbon and click 'Status Date'. Choose the exact date for your current reporting period from the calendar.

Open Progress Line settings

Right-click anywhere on the Gantt chart area and select 'Progress Lines' from the context menu.

Align progress lines to the Status Date

Under the 'Dates and Intervals' tab, ensure the progress line is configured to display exactly at the Project Status Date rather than the current system date.

Known limitations: Progress lines in Microsoft Project are known to occasionally glitch with 100% completed tasks even with correct settings. If the issue persists, consider alternative tracking methods.

Solution 2

Disable Progress Lines and Use Alternative Tracking Views

Since progress lines can be buggy or misleading, experts often recommend turning them off and using alternative visual indicators like the Tracking Gantt view.

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Manage Projects Seamlessly with WPS Office

Since Microsoft Project progress lines can sometimes be visually misleading and glitchy, consider using WPS Spreadsheet for lightweight and highly customizable project tracking. You can easily create clean Gantt charts, track task progress accurately, and share schedules without dealing with complex software bugs.

1. Open WPS Spreadsheet: Launch WPS Office and select 'Spreadsheet' to start a new project tracking workbook.
2. Access project templates: Click on 'New from Template' and type 'Gantt Chart' or 'Project Tracker' in the search bar.
3. Customize your schedule: Select a template, input your task details, and visually track progress reliably using standard conditional formatting and charts.

Create highly customizable project trackers and Gantt charts without visual glitches.Fully compatible with Microsoft Excel (.xlsx) formats for seamless schedule sharing.Free, lightweight, and features a familiar user interface for zero learning curve.Access built-in, ready-to-use templates for project management and task tracking.

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Frequently Asked Questions

Why is my MS Project progress line zig-zagging backwards?

A backwards-pointing progress line typically indicates that a task is behind schedule relative to the set status date. However, if it points backward on a task that is already marked completed, it is likely a software display glitch related to how Project calculates actual finish dates versus the status date.

How do I change the status date in Microsoft Project?

Go to the 'Project' tab on the main ribbon, locate the 'Status' group, click the 'Status Date' button, and choose your desired reporting date from the calendar dropdown menu.

Can I hide progress lines for specific completed tasks only?

No, progress lines are a global view setting applied to the entire Gantt chart. You can only turn them on or off for the whole project view, which is why many project managers prefer using the Tracking Gantt view for complex schedules.

What is the best alternative to progress lines for tracking schedule performance?

The 'Tracking Gantt' view combined with the 'Variance' table is highly recommended. It compares your baseline plan directly against actual task completion using split bars, offering a reliable visual without relying on dynamic line drawings.

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