Suppose you are working on a project or maintenance schedule with thousands of activities, then you might want to make the report (layout) for the activities scheduled to start in next 3 weeks, weekly plan(weekly progress status) report, executive summary report, milestone reports, traffic-light report, and schedule analysis reports and so on. You can set the criteria that determine which activities in P6 displays in the layout or project report. With the combination of filters criteria and grouping activity column, you can make customized layouts (reports) for your team.
The most used filters in schedule reporting and activity filtering are
(1) Lookahead filters
(2) Schedule Analysis Filters
(3) Activity Name & ID Filters
(4) Resource Filters