You can pin a report that you use frequently, so that it is always at the top of the All reports tab on the Analytics menu and easy to access.
Note: When you pin a report, applied filters will not persist. If you want to save a report and its filters, use the Save button. 

To pin a report, from the top-right corner of any report screen, select the Pin button.

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The report is pinned. To access your pinned reports, from the main menu on the left side of the screen select Analytics > All reports.