Note: Microsoft Project for the web will soon become Microsoft Planner. You can continue using most of the Project for the web capabilities in the new Planner once it's rolled out to your organization. Learn more about the new Planner in Frequently asked questions about Planner and Planner help & learning.
Project for the web provides the ability for organizations to define how they manage changes to key variables in tasks within the work breakdown structure. Based on the specific needs of the organization, Project Managers can make changes to the scheduling mode when a project is created.
There are three scheduling modes available in Project:
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Fixed duration (this is the default mode).
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Fixed effort (Work).
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Fixed units.
The values impacted by the definition of a specific scheduling mode are determined by the following formula:
Effort = Duration x Units
When you define a project’s scheduling mode, you are setting one of these values, which then can't be changed. Holding this value as a constant places a priority on that value, which notifies the system not to change it when the other two values change. The following table provides information about the impacts of selecting a specific mode.
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In this task        If you revise units         If you revise duration      If you revise effort |
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|---|---|---|---|
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Fixed units task    Duration is recalculated    Effort is recalculated      Duration is recalculated |
|||
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Fixed effort task    Duration is recalculated     Units are recalculated    Duration is recalculated  |
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|
Fixed duration task  Effort is recalculated       Effort is recalculated       Units are recalculated |
For more information about the implications of a given mode, see Change the task type for more accurate scheduling. In the topic, the term Work is used instead of Effort.
Change the organization’s scheduling mode
Complete the following steps to define the scheduling mode of an organization.
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Go to Settings > General > Parameters, and then select the project parameter.
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On the Project Parameters page, select the default scheduling mode for the organization, and then define ability for the Project manager to override the setting when creating a new project.
Change the scheduling mode setting on a project
If an organization allows the Project manager to override the default scheduling mode, the Project manager can make that change when they create a new project. However, after the project has been saved, the scheduling mode can't be changed.
Note:Â You can only change the scheduling mode of projects created in the Project Power Apps experience. Projects created at project.microsoft.com will always be created with the organization's default scheduling mode.Â
Copied projects
Because a project is created when the copy project action is taken, the Project manager can't set the scheduling mode. The destination project will always default to the mode defined at the organizational level.
Copied tasks
When a task is copied from one project to another, the task inherits the scheduling mode of the destination project.
See also
Create a work breakdown structure | Microsoft Docs
Time overview | Microsoft Docs
Lite deployment overview | Microsoft Docs
Project management overview | Microsoft Docs
Develop project templates with Copy Project | Microsoft Docs
Use Project schedule APIs to perform operations with Scheduling entities | Microsoft Docs
Project schedule API performance | Microsoft Docs
Project scheduling logs | Microsoft Docs
Use Project schedule APIs with Power Automate | Microsoft Docs
