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How to Format Multiple Tasks or Bars at Once in Microsoft Project

Nimra MalikNimra Malik Nov 3, 2026 868 views

Question details

The user wants to apply consistent formatting to multiple tasks or bars simultaneously in Microsoft Project without editing them one by one.

How to Format Multiple Tasks or Bars at Once in Microsoft Project
Product
Microsoft Project 2013
Device & OS
not provided
Scenario
Applying bulk formatting to Gantt chart bars to group specific tasks visually.
Observed behavior
Formatting each task individually is time-consuming, so the user seeks a shared bar-style criterion to automate the process.
Before you start

Ensure you have your Microsoft Project file open in the Gantt Chart view and know exactly which group of tasks you want to highlight with a specific format.

Solution 1Recommended

Use Flag Fields in Bar Styles to Format Multiple Tasks

Assign a shared Flag field to group specific tasks and apply a unique bar format to them all at once.

Instead of manually formatting tasks one by one, Microsoft Project allows you to create a custom Bar Style tied to a specific criterion, such as a Flag field. By changing the flag to 'Yes' for desired tasks, the formatting updates automatically.

1
Open Bar Styles

Go to the 'Format' tab on the ribbon. In the Bar Styles group, click on 'Format' and then select 'Bar Styles'.

2
Create a Custom Bar Format

In the Bar Styles dialog box, scroll down to a blank row and type a name for your new custom bar style.

3
Set the Criterion

Under the 'Show For ... Tasks' column, select a flag field (for example, 'Flag1') from the dropdown menu to set it as the styling criterion.

4
Customize Appearance

Use the lower half of the dialog to choose the bar shape, pattern, and color, then click 'OK' to save the new style.

5
Apply the Flag to Tasks

Insert the 'Flag1' column into your task table and change the value to 'Yes' for any task you want to apply the new formatting to.

Use Flag Fields in Bar Styles to Format Multiple Tasks
Filtering Tasks: You can also use this same Flag field to quickly filter your task list, showing only the tasks that share this specific bar style.
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Frequently Asked Questions

Can I apply different colors to different groups of tasks?

Yes. You can create multiple custom Bar Styles in the Format menu and assign a different Flag field (e.g., Flag1, Flag2) to each style. Then, simply toggle the respective flags for your tasks to 'Yes'.

Why aren't my custom bar styles showing on the Gantt chart?

Ensure that the custom bar style is positioned correctly in the Bar Styles list. Microsoft Project applies styles from top to bottom, so your custom style must be placed below the default task styles to successfully override them.

Is there a limit to how many Flag fields I can use?

Microsoft Project provides up to 20 default Flag fields (Flag1 through Flag20) that you can use as criteria for custom bar styles and data filtering.