diff --git a/app/Abstracts/Report.php b/app/Abstracts/Report.php
index fbab3e728..8e1897b0d 100644
--- a/app/Abstracts/Report.php
+++ b/app/Abstracts/Report.php
@@ -195,7 +195,7 @@ abstract class Report
 
     public function export()
     {
-        return \Excel::download(new Export($this->views['content'], $this), $this->model->name . '.xlsx');
+        return \Excel::download(new Export($this->views['content'], $this), \Str::filename($this->model->name) . '.xlsx');
     }
 
     public function setYear()
diff --git a/app/BulkActions/Purchases/Bills.php b/app/BulkActions/Purchases/Bills.php
index ff97a6f65..2cc779925 100644
--- a/app/BulkActions/Purchases/Bills.php
+++ b/app/BulkActions/Purchases/Bills.php
@@ -73,6 +73,6 @@ class Bills extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.bills', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.bills', 2)) . '.xlsx');
     }
 }
diff --git a/app/BulkActions/Purchases/Payments.php b/app/BulkActions/Purchases/Payments.php
index 61d6b7b6b..770e0c8dc 100644
--- a/app/BulkActions/Purchases/Payments.php
+++ b/app/BulkActions/Purchases/Payments.php
@@ -31,6 +31,6 @@ class Payments extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.payments', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.payments', 2)) . '.xlsx');
     }
 }
diff --git a/app/BulkActions/Purchases/Vendors.php b/app/BulkActions/Purchases/Vendors.php
index 6d6418f5d..25d4eda9c 100644
--- a/app/BulkActions/Purchases/Vendors.php
+++ b/app/BulkActions/Purchases/Vendors.php
@@ -46,6 +46,6 @@ class Vendors extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.vendors', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.vendors', 2)) . '.xlsx');
     }
 }
diff --git a/app/BulkActions/Sales/Customers.php b/app/BulkActions/Sales/Customers.php
index f4bb8fa5b..7dcaeae23 100644
--- a/app/BulkActions/Sales/Customers.php
+++ b/app/BulkActions/Sales/Customers.php
@@ -46,6 +46,6 @@ class Customers extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.customers', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.customers', 2)) . '.xlsx');
     }
 }
diff --git a/app/BulkActions/Sales/Invoices.php b/app/BulkActions/Sales/Invoices.php
index d5d9ca2be..dee19f571 100644
--- a/app/BulkActions/Sales/Invoices.php
+++ b/app/BulkActions/Sales/Invoices.php
@@ -87,6 +87,6 @@ class Invoices extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.invoices', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.invoices', 2)) . '.xlsx');
     }
 }
diff --git a/app/BulkActions/Sales/Revenues.php b/app/BulkActions/Sales/Revenues.php
index 5aaae82d7..218694443 100644
--- a/app/BulkActions/Sales/Revenues.php
+++ b/app/BulkActions/Sales/Revenues.php
@@ -31,6 +31,6 @@ class Revenues extends BulkAction
     {
         $selected = $this->getSelectedInput($request);
 
-        return \Excel::download(new Export($selected), trans_choice('general.revenues', 2) . '.xlsx');
+        return \Excel::download(new Export($selected), \Str::filename(trans_choice('general.revenues', 2)) . '.xlsx');
     }
 }
diff --git a/app/Http/Controllers/Banking/Transactions.php b/app/Http/Controllers/Banking/Transactions.php
index bfa13b243..fe23cae88 100644
--- a/app/Http/Controllers/Banking/Transactions.php
+++ b/app/Http/Controllers/Banking/Transactions.php
@@ -84,6 +84,6 @@ class Transactions extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.transactions', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.transactions', 2)) . '.xlsx');
     }
 }
diff --git a/app/Http/Controllers/Common/Items.php b/app/Http/Controllers/Common/Items.php
index cfc211a73..30f5312fd 100644
--- a/app/Http/Controllers/Common/Items.php
+++ b/app/Http/Controllers/Common/Items.php
@@ -235,7 +235,7 @@ class Items extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.items', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.items', 2)) . '.xlsx');
     }
 
     public function autocomplete()
diff --git a/app/Http/Controllers/Purchases/Bills.php b/app/Http/Controllers/Purchases/Bills.php
index ede836a24..28d4ef0e1 100644
--- a/app/Http/Controllers/Purchases/Bills.php
+++ b/app/Http/Controllers/Purchases/Bills.php
@@ -268,7 +268,7 @@ class Bills extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.bills', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.bills', 2)) . '.xlsx');
     }
 
     /**
diff --git a/app/Http/Controllers/Purchases/Payments.php b/app/Http/Controllers/Purchases/Payments.php
index 15c1e7263..2e7dd63ca 100644
--- a/app/Http/Controllers/Purchases/Payments.php
+++ b/app/Http/Controllers/Purchases/Payments.php
@@ -228,6 +228,6 @@ class Payments extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.payments', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.payments', 2)) . '.xlsx');
     }
 }
diff --git a/app/Http/Controllers/Purchases/Vendors.php b/app/Http/Controllers/Purchases/Vendors.php
index cf4e83b1b..dde264772 100644
--- a/app/Http/Controllers/Purchases/Vendors.php
+++ b/app/Http/Controllers/Purchases/Vendors.php
@@ -277,7 +277,7 @@ class Vendors extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.vendors', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.vendors', 2)) . '.xlsx');
     }
 
     public function currency(Contact $vendor)
diff --git a/app/Http/Controllers/Sales/Customers.php b/app/Http/Controllers/Sales/Customers.php
index 845b3164a..2ae5b08a9 100644
--- a/app/Http/Controllers/Sales/Customers.php
+++ b/app/Http/Controllers/Sales/Customers.php
@@ -283,7 +283,7 @@ class Customers extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.customers', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.customers', 2)) . '.xlsx');
     }
 
     public function currency(Contact $customer)
diff --git a/app/Http/Controllers/Sales/Invoices.php b/app/Http/Controllers/Sales/Invoices.php
index bbdad8975..d22bee484 100644
--- a/app/Http/Controllers/Sales/Invoices.php
+++ b/app/Http/Controllers/Sales/Invoices.php
@@ -274,7 +274,7 @@ class Invoices extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.invoices', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.invoices', 2)) . '.xlsx');
     }
 
     /**
diff --git a/app/Http/Controllers/Sales/Revenues.php b/app/Http/Controllers/Sales/Revenues.php
index 513d5e43d..33126a65b 100644
--- a/app/Http/Controllers/Sales/Revenues.php
+++ b/app/Http/Controllers/Sales/Revenues.php
@@ -228,6 +228,6 @@ class Revenues extends Controller
      */
     public function export()
     {
-        return \Excel::download(new Export(), trans_choice('general.revenues', 2) . '.xlsx');
+        return \Excel::download(new Export(), \Str::filename(trans_choice('general.revenues', 2)) . '.xlsx');
     }
 }
diff --git a/app/Providers/Macro.php b/app/Providers/Macro.php
new file mode 100644
index 000000000..10103900d
--- /dev/null
+++ b/app/Providers/Macro.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+use Illuminate\Support\Str;
+
+class Macro extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        Str::macro('filename', function ($string, $separator = '-') {
+            // Replace @ with the word 'at'
+            $string = str_replace('@', $separator.'at'.$separator, $string);
+
+            // Remove all characters that are not the separator, letters, numbers, or whitespace.
+            $string = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', $string);
+
+            // Remove multiple whitespaces
+            $string = preg_replace('/\s+/', ' ', $string);
+
+            return $string;
+        });
+    }
+
+    /**
+     * Register any application services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        //
+    }
+}
diff --git a/config/app.php b/config/app.php
index b7c6fe321..d25fe957e 100644
--- a/config/app.php
+++ b/config/app.php
@@ -174,6 +174,7 @@ return [
         // App\Providers\Broadcast::class,
         App\Providers\Event::class,
         App\Providers\Form::class,
+        App\Providers\Macro::class,
         App\Providers\Observer::class,
         App\Providers\Route::class,
         App\Providers\Validation::class,