In your account, under the name of the domain, select a mailbox in which you want to see deliverability reports.

Find a deliverability report bar at the center of the dashboard.

There is a date navigation at the top right corner of the bar.

Select the necessary period of the report or select the “Custom range” button in order to get a report from the specific period of time.

Click the “Custom range” button. On the calendar select the specific period of time. Click “Apply”.

Now you can see the report on the selection period.
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Here is a quick loom with these steps.