Final answer:
The statement is false; Resource Leveling settings in Microsoft Project apply only to the specific project file open, not to all project schedules.
Step-by-step explanation:
The statement in the question is false. The settings in the Resource Leveling dialog box in Microsoft Project are specific to the particular project file that you have open and are not global settings that apply to all project schedules. These settings are used to control how resources are leveled across tasks within that project to address overallocations and other scheduling issues.
When you level resources, you adjust the start and finish dates of tasks to ensure that no resources are overallocated. These adjustments help balance the workload and make the project schedule more realistic and achievable. However, it's important to ensure that the correct settings are applied for each project, as they can greatly affect the project's timeline and resource allocation.