What is Fixed Work Task type?
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Fixed Work Task Type applies to a task in which the amount of work is a fixed value and any changes to the task's duration or the number of assigned units (or resources) do not affect the task's work.

What is Fixed Units Task Type?
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Fixed Units Task Type applies to a task in which the assigned units (or resources) is a fixed value and any changes to the amount of work or the task's duration do not affect the task's units.

What does the “Set Task Type” functionality do?
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The “Set Task Type” functionality, as the name indicates, allows you to change the types of automatically-scheduled tasks. The available task types are: fixed units, fixed work, and fixed duration. Project looks at a task's type to determine how duration, work, and units will behave as Project schedules your project.

How to change the Task Mode for a task?
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To change the Task Mode, click in the Task Mode field. In the list that appears, click Manually Scheduled or Auto Scheduled. You can also select specific tasks, then in the Task Information dialog under Task menu, General tab, in the Schedule Mode group, select Manually Scheduled or Auto Scheduled and click OK.

What are manually scheduled tasks?
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Manual tasks are tasks with task mode manually scheduled.  They should be used when you want to explicitly set a task's start and finish dates and not allow it to be changed automatically by the scheduler based on changes to other tasks. When a task is in manually scheduled mode, the Start, Finish, and Duration columns can be blank or include text values in addition to recognizable dates.

What are automatically scheduled tasks?
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Automatically Scheduled tasks have Start, Finish and Duration values calculated by Planner based on dependencies, constraints, calendars, and other factors.

What does the “Set Task Mode” functionality do?
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The “Set Task Mode” functionality gives you the option of deciding how much control you want over task scheduling in a project. The Task Mode field indicates whether a task is scheduled manually or automatically scheduled. By default, tasks are set as auto scheduled, with a start date, finish date, and duration calculated based on inserted fields values.

How do I delete a task from my project?
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To delete a task from your project, on the View menu click Gantt Chart – select the row corresponding to the desired task – click on Delete option under Task menu.

Does deleting a task affect the project schedule?
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Deleting a task from your project may affect your schedule and you may run into problems. If you have started tracking actual work for your project, don't remove tasks that have actual work or other tracking data associated with them, or you'll lose valuable historical project information. If you delete a summary task, either being collapsed or expanded, all of its subtasks are also deleted. After you delete a task, the application automatically renumbers the remaining tasks.

What is a “link” between tasks?
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A link between tasks or a dependency is relationship between tasks.

How can I change a summary task duration?
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It is not possible to change the duration of a summary task. The summary task duration is calculated by Project Plan 365 sum of the durations of its subtasks.

Why am I not able to set the task type for a task?
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If the task type box is grayed out it means the task you have selected is a manual tasks . Task types apply only to automatically-scheduled tasks.

What role do task types have?
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Task types help to determine how duration, work and units will behave as Project Plan 365 schedules your project.

What happens when editing the units of a fixed units task?
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If you edit the units of a fixed units tasks, the duration will be recalculated.

What happens when editing the units of a fixed work task?
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If you edit the units of a fixed work task, the duration will be recalculated.

What happens when editing the units of a fixed duration task?
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If you edit the units of a fixed duration task, work will be recalculated.

What happens if I edit the duration of a fixed units task?
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If you edit the duration of a fixed units task, work will be recalculated.

What happens if I edit the duration of a fixed duration task?
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If you edit the duration of a fixed duration task, work will be recalculated.

What happens if I edit the work amount of a fixed units task?
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If you modify the work amount of a fixed units task, the duration will be recalculated.

What happens if I edit the work amount of a fixed work task?
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If you modify the work amount of a fixed work task, the duration will be recalculated.

What happens if I edit the work amount of a fixed duration task?
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If you modify the work amount of a fixed duration task, the units will be recalculated.

What is the difference between task types and task constraints?
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If you want to impose restrictions on the way the application calculates the start and finish dates, task constraints do the job rather than task types.

Why am I not able to change the task type of a summary task?
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Summary tasks are always fixed-duration types because a summary task's start and finish dates are determined by its subtasks.

How can I make all tasks manually in my new project?
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To make tasks scheduled manually click on File - Options - Schedule - New tasks created - Manually scheduled.

Can tasks be anything else but manually or automatically scheduled?
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Tasks can only be manually scheduled or automatically scheduled. Remember that manually scheduled tasks are not calculated by Planner.