diff --git a/src/components/AdvancedDataTable.tsx b/src/components/AdvancedDataTable.tsx
index e9edfbe..f6fc83e 100644
--- a/src/components/AdvancedDataTable.tsx
+++ b/src/components/AdvancedDataTable.tsx
@@ -3,8 +3,11 @@ import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from '@
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from '@/components/ui/dropdown-menu'
 import { useAdvancedTable, TableColumn } from '@/hooks/use-advanced-table'
-import { CaretUp, CaretDown, CaretUpDown, MagnifyingGlass } from '@phosphor-icons/react'
+import { useDataExport } from '@/hooks/use-data-export'
+import { CaretUp, CaretDown, CaretUpDown, MagnifyingGlass, Export, FileCsv, FileXls, FileCode } from '@phosphor-icons/react'
+import { toast } from 'sonner'
 
 interface AdvancedDataTableProps<T> {
   data: T[]
@@ -12,6 +15,8 @@ interface AdvancedDataTableProps<T> {
   initialPageSize?: number
   showSearch?: boolean
   showPagination?: boolean
+  showExport?: boolean
+  exportFilename?: string
   emptyMessage?: string
   rowKey: keyof T
   onRowClick?: (row: T) => void
@@ -24,6 +29,8 @@ export function AdvancedDataTable<T>({
   initialPageSize = 20,
   showSearch = true,
   showPagination = true,
+  showExport = true,
+  exportFilename = 'export',
   emptyMessage = 'No data available',
   rowKey,
   onRowClick,
@@ -44,6 +51,49 @@ export function AdvancedDataTable<T>({
     filteredCount,
   } = useAdvancedTable(data, columns, initialPageSize)
 
+  const { exportToCSV, exportToExcel, exportToJSON } = useDataExport()
+
+  const handleExport = (format: 'csv' | 'xlsx' | 'json') => {
+    try {
+      const exportData = items.length > 0 ? items : data
+      
+      if (exportData.length === 0) {
+        toast.error('No data to export')
+        return
+      }
+
+      const exportColumns = columns.map(col => String(col.key))
+      const formattedData = exportData.map(row => {
+        const formattedRow: any = {}
+        columns.forEach(col => {
+          const key = String(col.key)
+          const value = row[col.key]
+          formattedRow[col.label] = value
+        })
+        return formattedRow
+      })
+
+      const options = {
+        filename: exportFilename,
+        includeHeaders: true,
+      }
+
+      if (format === 'csv') {
+        exportToCSV(formattedData, options)
+        toast.success(`Exported ${formattedData.length} rows to CSV`)
+      } else if (format === 'xlsx') {
+        exportToExcel(formattedData, options)
+        toast.success(`Exported ${formattedData.length} rows to Excel`)
+      } else if (format === 'json') {
+        exportToJSON(formattedData, options)
+        toast.success(`Exported ${formattedData.length} rows to JSON`)
+      }
+    } catch (error) {
+      toast.error('Failed to export data')
+      console.error('Export error:', error)
+    }
+  }
+
   const getSortIcon = (columnKey: keyof T) => {
     if (!state.sortConfig || state.sortConfig.key !== columnKey) {
       return <CaretUpDown size={16} className="text-muted-foreground" />
@@ -56,27 +106,56 @@ export function AdvancedDataTable<T>({
 
   return (
     <div className="space-y-4">
-      {showSearch && (
+      {(showSearch || showExport) && (
         <div className="flex items-center gap-4">
-          <div className="relative flex-1">
-            <MagnifyingGlass className="absolute left-3 top-1/2 -translate-y-1/2 text-muted-foreground" size={18} />
-            <Input
-              type="text"
-              placeholder="Search..."
-              value={state.searchQuery}
-              onChange={(e) => actions.setSearch(e.target.value)}
-              className="pl-10"
-            />
-          </div>
-          
-          {state.searchQuery && (
-            <Button 
-              variant="outline" 
-              onClick={() => actions.setSearch('')}
-              size="sm"
-            >
-              Clear Search
-            </Button>
+          {showSearch && (
+            <>
+              <div className="relative flex-1">
+                <MagnifyingGlass className="absolute left-3 top-1/2 -translate-y-1/2 text-muted-foreground" size={18} />
+                <Input
+                  type="text"
+                  placeholder="Search..."
+                  value={state.searchQuery}
+                  onChange={(e) => actions.setSearch(e.target.value)}
+                  className="pl-10"
+                />
+              </div>
+              
+              {state.searchQuery && (
+                <Button 
+                  variant="outline" 
+                  onClick={() => actions.setSearch('')}
+                  size="sm"
+                >
+                  Clear Search
+                </Button>
+              )}
+            </>
+          )}
+
+          {showExport && (
+            <DropdownMenu>
+              <DropdownMenuTrigger asChild>
+                <Button variant="outline" size="sm">
+                  <Export className="mr-2" size={18} />
+                  Export
+                </Button>
+              </DropdownMenuTrigger>
+              <DropdownMenuContent align="end">
+                <DropdownMenuItem onClick={() => handleExport('csv')}>
+                  <FileCsv className="mr-2" size={18} />
+                  Export as CSV
+                </DropdownMenuItem>
+                <DropdownMenuItem onClick={() => handleExport('xlsx')}>
+                  <FileXls className="mr-2" size={18} />
+                  Export as Excel
+                </DropdownMenuItem>
+                <DropdownMenuItem onClick={() => handleExport('json')}>
+                  <FileCode className="mr-2" size={18} />
+                  Export as JSON
+                </DropdownMenuItem>
+              </DropdownMenuContent>
+            </DropdownMenu>
           )}
         </div>
       )}
diff --git a/src/components/views/BillingView.tsx b/src/components/views/BillingView.tsx
index 2fc7284..da7b27e 100644
--- a/src/components/views/BillingView.tsx
+++ b/src/components/views/BillingView.tsx
@@ -337,13 +337,6 @@ export function BillingView({
         placeholder={t('billing.searchPlaceholder')}
       />
 
-      <Stack direction="horizontal" spacing={4}>
-        <Button variant="outline">
-          <Download size={18} className="mr-2" />
-          {t('billing.export')}
-        </Button>
-      </Stack>
-
       <AdvancedDataTable
         data={filteredInvoices}
         columns={invoiceColumns}
@@ -352,6 +345,8 @@ export function BillingView({
         emptyMessage={t('billing.noInvoicesFound')}
         showSearch={true}
         showPagination={true}
+        showExport={true}
+        exportFilename={`invoices-${new Date().toISOString().split('T')[0]}`}
         initialPageSize={20}
       />
 
diff --git a/src/components/views/PayrollView.tsx b/src/components/views/PayrollView.tsx
index f87f462..b7bb091 100644
--- a/src/components/views/PayrollView.tsx
+++ b/src/components/views/PayrollView.tsx
@@ -454,6 +454,8 @@ export function PayrollView({ timesheets, workers }: PayrollViewProps) {
             emptyMessage={t('payroll.noPayrollRunsYet')}
             showSearch={true}
             showPagination={true}
+            showExport={true}
+            exportFilename={`payroll-runs-${new Date().toISOString().split('T')[0]}`}
             initialPageSize={20}
           />
         </TabsContent>
diff --git a/src/hooks/use-data-export.ts b/src/hooks/use-data-export.ts
index 2bebb03..b37559f 100644
--- a/src/hooks/use-data-export.ts
+++ b/src/hooks/use-data-export.ts
@@ -67,6 +67,60 @@ export function useDataExport() {
     []
   )
 
+  const exportToExcel = useCallback(
+    (data: any[], options: ExportOptions = {}) => {
+      const {
+        filename = 'export',
+        columns,
+        includeHeaders = true,
+      } = options
+
+      if (data.length === 0) {
+        throw new Error('No data to export')
+      }
+
+      const keys = columns || Object.keys(data[0])
+      
+      let xml = '<?xml version="1.0"?><?mso-application progid="Excel.Sheet"?>'
+      xml += '<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet" '
+      xml += 'xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">'
+      xml += '<Worksheet ss:Name="Sheet1"><Table>'
+
+      if (includeHeaders) {
+        xml += '<Row>'
+        keys.forEach((key) => {
+          xml += `<Cell><Data ss:Type="String">${escapeXml(String(key))}</Data></Cell>`
+        })
+        xml += '</Row>'
+      }
+
+      data.forEach((row) => {
+        xml += '<Row>'
+        keys.forEach((key) => {
+          const value = row[key]
+          if (value === null || value === undefined) {
+            xml += '<Cell><Data ss:Type="String"></Data></Cell>'
+          } else if (typeof value === 'number') {
+            xml += `<Cell><Data ss:Type="Number">${value}</Data></Cell>`
+          } else {
+            xml += `<Cell><Data ss:Type="String">${escapeXml(String(value))}</Data></Cell>`
+          }
+        })
+        xml += '</Row>'
+      })
+
+      xml += '</Table></Worksheet></Workbook>'
+
+      const blob = new Blob([xml], { type: 'application/vnd.ms-excel' })
+      const link = document.createElement('a')
+      link.href = URL.createObjectURL(blob)
+      link.download = `${filename}.xls`
+      link.click()
+      URL.revokeObjectURL(link.href)
+    },
+    []
+  )
+
   const exportData = useCallback(
     (data: any[], options: ExportOptions = {}) => {
       const { format = 'csv' } = options
@@ -78,16 +132,29 @@ export function useDataExport() {
         case 'json':
           exportToJSON(data, options)
           break
+        case 'xlsx':
+          exportToExcel(data, options)
+          break
         default:
           throw new Error(`Unsupported export format: ${format}`)
       }
     },
-    [exportToCSV, exportToJSON]
+    [exportToCSV, exportToJSON, exportToExcel]
   )
 
   return {
     exportToCSV,
     exportToJSON,
+    exportToExcel,
     exportData,
   }
 }
+
+function escapeXml(str: string): string {
+  return str
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&apos;')
+}