diff --git a/ondeck/src/app/(dashboard)/admin/settings/page.tsx b/ondeck/src/app/(dashboard)/admin/settings/page.tsx
index f5ce371..4be4c64 100644
--- a/ondeck/src/app/(dashboard)/admin/settings/page.tsx
+++ b/ondeck/src/app/(dashboard)/admin/settings/page.tsx
@@ -28,6 +28,7 @@ export default async function SystemSettingsPage() {
   const settingsMap = Object.fromEntries(appSettings.map((s) => [s.key, s.value]))
   const windowDays = settingsMap['renewal_group_window_days'] ?? '90'
   const dateRule = settingsMap['renewal_group_date_rule'] ?? 'nearest-to-year-start'
+  const overdueWindowDays = parseInt(settingsMap['overdue_window_days'] ?? '7', 10)
 
   const relatedPages = [
     {
@@ -66,7 +67,7 @@ export default async function SystemSettingsPage() {
       </div>
 
       {/* Sync config inline editor */}
-      <SystemSettingsForm syncEnabled={syncEnabled === 'true'} syncSchedule={syncSchedule} />
+      <SystemSettingsForm syncEnabled={syncEnabled === 'true'} syncSchedule={syncSchedule} overdueWindowDays={overdueWindowDays} />
 
       {/* Links to subsection settings pages */}
       <div>
diff --git a/ondeck/src/app/(dashboard)/admin/settings/system-settings-form.tsx b/ondeck/src/app/(dashboard)/admin/settings/system-settings-form.tsx
index b0810ff..f082db2 100644
--- a/ondeck/src/app/(dashboard)/admin/settings/system-settings-form.tsx
+++ b/ondeck/src/app/(dashboard)/admin/settings/system-settings-form.tsx
@@ -7,17 +7,20 @@ import { Label } from '@/components/ui/label'
 import { Input } from '@/components/ui/input'
 import { Switch } from '@/components/ui/switch'
 import { Button } from '@/components/ui/button'
-import { Database, Save } from 'lucide-react'
+import { Database, Save, BarChart3 } from 'lucide-react'
 
 interface SystemSettingsFormProps {
   syncEnabled: boolean
   syncSchedule: string
+  overdueWindowDays: number
 }
 
-export function SystemSettingsForm({ syncEnabled: initialEnabled, syncSchedule: initialSchedule }: SystemSettingsFormProps) {
+export function SystemSettingsForm({ syncEnabled: initialEnabled, syncSchedule: initialSchedule, overdueWindowDays: initialOverdueWindow }: SystemSettingsFormProps) {
   const [syncEnabled, setSyncEnabled] = useState(initialEnabled)
   const [syncSchedule, setSyncSchedule] = useState(initialSchedule)
   const [saving, setSaving] = useState(false)
+  const [overdueWindowDays, setOverdueWindowDays] = useState(initialOverdueWindow)
+  const [savingOverdue, setSavingOverdue] = useState(false)
 
   async function handleSave() {
     setSaving(true)
@@ -39,7 +42,28 @@ export function SystemSettingsForm({ syncEnabled: initialEnabled, syncSchedule:
     }
   }
 
+  async function handleSaveOverdue() {
+    setSavingOverdue(true)
+    try {
+      const res = await fetch('/api/admin/manager-settings', {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ overdueWindowDays }),
+      })
+      if (!res.ok) {
+        const data = await res.json().catch(() => ({}))
+        throw new Error(data.error || 'Save failed')
+      }
+      toast.success('Manager settings saved')
+    } catch (err: any) {
+      toast.error(err.message || 'Save failed')
+    } finally {
+      setSavingOverdue(false)
+    }
+  }
+
   return (
+    <div className="space-y-6">
     <Card>
       <CardHeader>
         <CardTitle className="flex items-center gap-2 text-base">
@@ -82,5 +106,38 @@ export function SystemSettingsForm({ syncEnabled: initialEnabled, syncSchedule:
         </Button>
       </CardContent>
     </Card>
+
+    <Card>
+      <CardHeader>
+        <CardTitle className="flex items-center gap-2 text-base">
+          <BarChart3 className="h-4 w-4" /> Manager Dashboard
+        </CardTitle>
+      </CardHeader>
+      <CardContent className="space-y-5">
+        <div className="space-y-1.5">
+          <Label htmlFor="overdue-window">Overdue task window (days)</Label>
+          <div className="flex items-center gap-3">
+            <Input
+              id="overdue-window"
+              type="number"
+              min={1}
+              max={365}
+              value={overdueWindowDays}
+              onChange={(e) => setOverdueWindowDays(Number(e.target.value))}
+              className="w-24 text-sm"
+            />
+            <span className="text-sm text-muted-foreground">days back</span>
+          </div>
+          <p className="text-xs text-muted-foreground">
+            Only tasks with a due date within this many days in the past are shown as overdue on the Manager dashboard.
+          </p>
+        </div>
+        <Button onClick={handleSaveOverdue} disabled={savingOverdue} size="sm" className="gap-1.5">
+          <Save className="h-3.5 w-3.5" />
+          {savingOverdue ? 'Saving…' : 'Save'}
+        </Button>
+      </CardContent>
+    </Card>
+    </div>
   )
 }
diff --git a/ondeck/src/app/api/admin/manager-settings/route.ts b/ondeck/src/app/api/admin/manager-settings/route.ts
new file mode 100644
index 0000000..7978f7c
--- /dev/null
+++ b/ondeck/src/app/api/admin/manager-settings/route.ts
@@ -0,0 +1,57 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { getServerSession } from 'next-auth'
+import { authOptions } from '@/lib/auth'
+import { prisma } from '@/lib/db'
+
+export const OVERDUE_WINDOW_KEY = 'overdue_window_days'
+export const OVERDUE_WINDOW_DEFAULT = 7
+
+export async function GET() {
+  try {
+    const session = await getServerSession(authOptions)
+    if (!session?.user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+
+    const setting = await prisma.appSetting.findUnique({ where: { key: OVERDUE_WINDOW_KEY } })
+    return NextResponse.json({
+      overdueWindowDays: parseInt(setting?.value ?? String(OVERDUE_WINDOW_DEFAULT), 10),
+    })
+  } catch (error) {
+    console.error('Manager settings GET error:', error)
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
+  }
+}
+
+export async function PUT(request: NextRequest) {
+  try {
+    const session = await getServerSession(authOptions)
+    if (!session?.user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+
+    const userRoles = (session.user as any).roles || []
+    if (!userRoles.includes('Admin')) return NextResponse.json({ error: 'Forbidden' }, { status: 403 })
+
+    const { overdueWindowDays } = await request.json()
+    if (typeof overdueWindowDays !== 'number' || overdueWindowDays < 1 || overdueWindowDays > 365) {
+      return NextResponse.json({ error: 'overdueWindowDays must be between 1 and 365' }, { status: 400 })
+    }
+
+    await prisma.appSetting.upsert({
+      where: { key: OVERDUE_WINDOW_KEY },
+      update: { value: String(overdueWindowDays) },
+      create: { key: OVERDUE_WINDOW_KEY, value: String(overdueWindowDays) },
+    })
+
+    await prisma.auditLog.create({
+      data: {
+        userId: (session.user as any).id,
+        action: 'MANAGER_SETTINGS_UPDATED',
+        entityType: 'AppSetting',
+        newValues: { overdueWindowDays },
+      },
+    })
+
+    return NextResponse.json({ overdueWindowDays })
+  } catch (error) {
+    console.error('Manager settings PUT error:', error)
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
+  }
+}
diff --git a/ondeck/src/app/api/dashboard/workload/route.ts b/ondeck/src/app/api/dashboard/workload/route.ts
index df4cb19..13afaa4 100644
--- a/ondeck/src/app/api/dashboard/workload/route.ts
+++ b/ondeck/src/app/api/dashboard/workload/route.ts
@@ -3,6 +3,7 @@ import { getServerSession } from 'next-auth'
 import { authOptions } from '@/lib/auth'
 import { prisma } from '@/lib/db'
 import { DepartmentType } from '@prisma/client'
+import { OVERDUE_WINDOW_KEY, OVERDUE_WINDOW_DEFAULT } from '@/app/api/admin/manager-settings/route'
 
 export async function GET(request: NextRequest) {
   try {
@@ -19,6 +20,10 @@ export async function GET(request: NextRequest) {
     const weekAgo = new Date(today.getTime() - 7 * 24 * 60 * 60 * 1000)
     const monthAgo = new Date(today.getTime() - 30 * 24 * 60 * 60 * 1000)
 
+    const overdueWindowSetting = await prisma.appSetting.findUnique({ where: { key: OVERDUE_WINDOW_KEY } })
+    const overdueWindowDays = parseInt(overdueWindowSetting?.value ?? String(OVERDUE_WINDOW_DEFAULT), 10)
+    const overdueFrom = new Date(today.getTime() - overdueWindowDays * 24 * 60 * 60 * 1000)
+
     // Shape client IDs for scoping
     const shapeClients = await prisma.client.findMany({
       where: { designation: { name: { in: ['Shape', 'Shape 2'] } } },
@@ -82,11 +87,11 @@ export async function GET(request: NextRequest) {
         where: deptTaskWhere,
         _count: { id: true },
       }),
-      // Overdue tasks (past due, not completed)
+      // Overdue tasks (past due within window, not completed)
       prisma.task.count({
         where: {
           ...deptTaskWhere,
-          dueDate: { lt: today },
+          dueDate: { gte: overdueFrom, lt: today },
           status: { notIn: ['COMPLETED', 'CANCELLED', 'NA'] },
         },
       }),
@@ -177,7 +182,7 @@ export async function GET(request: NextRequest) {
       )
       const completedTasks = tasks.filter((t) => t.status === 'COMPLETED')
       const overdue = activeTasks.filter(
-        (t) => new Date(t.dueDate) < today
+        (t) => new Date(t.dueDate) >= overdueFrom && new Date(t.dueDate) < today
       )
       const highPriority = activeTasks.filter(
         (t) => t.priority === 'HIGH' || t.priority === 'URGENT'
@@ -251,6 +256,7 @@ export async function GET(request: NextRequest) {
         completedTasks: totalCompleted,
         completionRate,
         overdueTasks,
+        overdueWindowDays,
         dueTodayTasks,
         dueThisWeekTasks,
         activeUsers,
diff --git a/ondeck/src/components/dashboard/workload-kpis.tsx b/ondeck/src/components/dashboard/workload-kpis.tsx
index b2db6d5..411dae3 100644
--- a/ondeck/src/components/dashboard/workload-kpis.tsx
+++ b/ondeck/src/components/dashboard/workload-kpis.tsx
@@ -25,6 +25,7 @@ interface WorkloadData {
     completedTasks: number
     completionRate: number
     overdueTasks: number
+    overdueWindowDays: number
     dueTodayTasks: number
     dueThisWeekTasks: number
     activeUsers: number
@@ -195,7 +196,7 @@ export function WorkloadKPIs({ department }: WorkloadKPIsProps = {}) {
               {summary.overdueTasks}
             </div>
             <p className="text-xs text-muted-foreground">
-              {summary.dueTodayTasks} due today
+              past due within {summary.overdueWindowDays}d
             </p>
           </CardContent>
         </Card>