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Fix Microsoft Project Duration-Only Bar Style Not Applying
Question details
The user needs to resolve an issue where the Duration-Only bar style fails to appear on the Gantt chart.
- Product
- Microsoft Project
- Device & OS
- not provided
- Scenario
- Applying the Duration-Only bar style to tasks that are automatically scheduled, assigned resources, or set to Fixed Duration.
- Observed behavior
- The expected Duration-Only bar style format does not display on the timeline for the selected tasks.
Ensure you are currently in the Gantt Chart view and have the Bar Styles dialog accessible before attempting to modify task formatting criteria.
Apply the Correct Task Mode Criteria for Duration-Only Styles
The default Duration-Only bar style requires strict conditions: tasks must be active, manually scheduled, have a placeholder duration, and not be a milestone.
Task type (Fixed Duration, Fixed Work) and resource assignments do not control the Duration-Only bar style. Instead, this specific formatting is strictly tied to manually scheduled tasks that lack defined start or finish dates.
Click on the specific task in your project list that is missing the Duration-Only bar style.
Go to the Task tab and change the Task Mode from 'Auto Scheduled' to 'Manually Scheduled'.
Delete the dates in the Start and Finish columns for this task so that it only retains a defined Duration (acting as a placeholder).
Ensure the task duration is greater than zero, as 0-day durations automatically convert the task into a milestone, which uses a different bar style.
Create a Custom Bar Style for Automatically Scheduled Tasks
If your project requires automatic scheduling, you must modify the bar style criteria to accommodate auto-scheduled tasks.
Simplify Project Tracking with WPS Office
If you find Microsoft Project's formatting rules and task constraints too complex, WPS Office provides a free, lightweight, and highly compatible alternative. You can easily manage project timelines using built-in Gantt chart templates in WPS Spreadsheets without dealing with convoluted bar style restrictions.
- 1. Download and Install: Visit the official WPS website to download and install WPS Office for free.
- 2. Open Template Library: Launch WPS Spreadsheets and click on the 'New' tab to access the template library.
- 3. Search for Gantt Charts: Type 'Project' or 'Gantt' in the search bar to find and apply a ready-made project tracking template.
Frequently Asked Questions
Why did my bar style disappear when I assigned resources?
Assigning resources does not directly hide the bar style. However, if assigning resources automatically changed the task dates or switched the task mode to Auto Scheduled based on your settings, it would violate the 'Duration-Only' criteria, causing the bar to disappear.
Does changing a task to 'Fixed Duration' affect bar styles?
No, task types like Fixed Duration, Fixed Work, or Fixed Units govern how Project recalculates work, units, and duration. They do not directly control bar styles. Visual formatting depends entirely on the criteria set in the Bar Styles dialog box.
How do I make placeholder tasks show on the Gantt chart?
To display placeholder tasks, ensure they are Manually Scheduled. If they have a duration but no start/finish dates, they will display using the 'Duration-Only' bar style. If they have start/finish dates but no duration, they will use the 'Start-Only' or 'Finish-Only' styles.
