Approve Payroll for previous period

New to Wave Payroll. Our last pay period closed, but I cannot go back to approve the payroll / issue checks. The Dashboard only shows me the current period. How do I access previous periods to approve payroll.
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New to Wave Payroll. Our last pay period closed, but I cannot go back to approve the payroll / issue checks. The Dashboard only shows me the current period. How do I access previous periods to approve payroll.