diff --git a/.env b/.env
index 5bb83ca..f0cdfb9 100644
--- a/.env
+++ b/.env
@@ -15,4 +15,7 @@ DB_CHARSET=utf8mb4
 
 INTEGRATIONS_SECRET=nB3sTkXAbBLqA2Ent74R9Mi1118bAbWa
 
-pracownia.key=9554daf4bbcbbb5e72a2b48ee7d6a7f20262713d72484b781460e2c772d813fc
\ No newline at end of file
+pracownia.key=9554daf4bbcbbb5e72a2b48ee7d6a7f20262713d72484b781460e2c772d813fc
+
+login=jacek.pyziak@project-pro.pl
+password=ProjectPro2025!
\ No newline at end of file
diff --git a/.playwright-mcp/console-2026-03-26T22-55-27-422Z.log b/.playwright-mcp/console-2026-03-26T22-55-27-422Z.log
new file mode 100644
index 0000000..a8cb605
--- /dev/null
+++ b/.playwright-mcp/console-2026-03-26T22-55-27-422Z.log
@@ -0,0 +1 @@
+[     508ms] [ERROR] Failed to load resource: the server responded with a status of 404 () @ https://orderpro.projectpro.pl/favicon.ico:0
diff --git a/.vscode/ftp-kr.sync.cache.json b/.vscode/ftp-kr.sync.cache.json
index 1fccda6..4224f4e 100644
--- a/.vscode/ftp-kr.sync.cache.json
+++ b/.vscode/ftp-kr.sync.cache.json
@@ -380,8 +380,8 @@
         },
         "cron.php": {
           "type": "-",
-          "size": 4212,
-          "lmtime": 1772997988131,
+          "size": 796,
+          "lmtime": 1774474838216,
           "modified": false
         },
         "debug_allegro_offer_image.php": {
@@ -965,8 +965,8 @@
       "DOCS": {
         "ARCHITECTURE.md": {
           "type": "-",
-          "size": 33394,
-          "lmtime": 1774285995231,
+          "size": 35120,
+          "lmtime": 1774475884811,
           "modified": false
         },
         "DB_SCHEMA.md": {
@@ -995,14 +995,14 @@
         },
         "TECH_CHANGELOG.md": {
           "type": "-",
-          "size": 51132,
-          "lmtime": 1774286010490,
+          "size": 57304,
+          "lmtime": 1774475891183,
           "modified": false
         },
         "todo.md": {
           "type": "-",
-          "size": 3510,
-          "lmtime": 1774296458106,
+          "size": 3512,
+          "lmtime": 1774474971584,
           "modified": false
         }
       },
@@ -2250,8 +2250,8 @@
           "css": {
             "app.css": {
               "type": "-",
-              "size": 53388,
-              "lmtime": 1774304255719,
+              "size": 43993,
+              "lmtime": 1774474931663,
               "modified": false
             },
             "app.css.map": {
@@ -2262,8 +2262,8 @@
             },
             "login.css": {
               "type": "-",
-              "size": 5308,
-              "lmtime": 1773008638575,
+              "size": 5996,
+              "lmtime": 1774474932148,
               "modified": false
             },
             "login.css.map": {
@@ -2284,17 +2284,17 @@
           "img": {},
           "js": {
             "modules": {
+              "automation-form.js": {
+                "type": "-",
+                "size": 7251,
+                "lmtime": 1774475530521,
+                "modified": false
+              },
               "jquery-alerts.js": {
                 "type": "-",
                 "size": 5768,
                 "lmtime": 1771873304132,
                 "modified": false
-              },
-              "automation-form.js": {
-                "type": "-",
-                "size": 5053,
-                "lmtime": 1773789606719,
-                "modified": false
               }
             }
           }
@@ -2382,6 +2382,12 @@
               "lmtime": 1773789611848,
               "modified": false
             },
+            "_delivery-status-mappings.scss": {
+              "type": "-",
+              "size": 212,
+              "lmtime": 1774304202952,
+              "modified": false
+            },
             "_delivery-status.scss": {
               "type": "-",
               "size": 802,
@@ -2396,8 +2402,8 @@
             },
             "_printing.scss": {
               "type": "-",
-              "size": 939,
-              "lmtime": 0,
+              "size": 1115,
+              "lmtime": 1774474924746,
               "modified": false
             },
             "_shipment-presets.scss": {
@@ -2405,12 +2411,6 @@
               "size": 2629,
               "lmtime": 1774219643850,
               "modified": false
-            },
-            "_delivery-status-mappings.scss": {
-              "type": "-",
-              "size": 212,
-              "lmtime": 1774304202952,
-              "modified": false
             }
           },
           "shared": {
@@ -2491,9 +2491,9 @@
             },
             "list.php": {
               "type": "-",
-              "size": 3380,
-              "lmtime": 1773004094862,
-              "modified": true
+              "size": 1603,
+              "lmtime": 1774473665048,
+              "modified": false
             },
             "partials": {
               "email-send-modal.php": {
@@ -2511,8 +2511,8 @@
             },
             "show.php": {
               "type": "-",
-              "size": 39716,
-              "lmtime": 1774295938464,
+              "size": 40747,
+              "lmtime": 1774474658482,
               "modified": false
             }
           },
@@ -2630,8 +2630,8 @@
             },
             "printing.php": {
               "type": "-",
-              "size": 8683,
-              "lmtime": 0,
+              "size": 10591,
+              "lmtime": 1774475356232,
               "modified": false
             },
             "products.php": {
@@ -2670,16 +2670,16 @@
             }
           },
           "automation": {
-            "index.php": {
-              "type": "-",
-              "size": 3962,
-              "lmtime": 1773789562003,
-              "modified": false
-            },
             "form.php": {
               "type": "-",
-              "size": 7536,
-              "lmtime": 1773789588610,
+              "size": 12406,
+              "lmtime": 1774475517368,
+              "modified": false
+            },
+            "index.php": {
+              "type": "-",
+              "size": 4020,
+              "lmtime": 1774474734632,
               "modified": false
             }
           }
@@ -2688,8 +2688,8 @@
       "routes": {
         "web.php": {
           "type": "-",
-          "size": 24661,
-          "lmtime": 1774305148776,
+          "size": 24767,
+          "lmtime": 1774475608068,
           "modified": false
         }
       },
@@ -2744,9 +2744,23 @@
         "Core": {
           "Application.php": {
             "type": "-",
-            "size": 8679,
-            "lmtime": 1772997978216,
-            "modified": true
+            "size": 9588,
+            "lmtime": 1774474842256,
+            "modified": false
+          },
+          "Constants": {
+            "IntegrationSources.php": {
+              "type": "-",
+              "size": 263,
+              "lmtime": 1773397435140,
+              "modified": false
+            },
+            "RedirectPaths.php": {
+              "type": "-",
+              "size": 643,
+              "lmtime": 1773397436702,
+              "modified": false
+            }
           },
           "Database": {
             "ConnectionFactory.php": {
@@ -2871,20 +2885,6 @@
               "lmtime": 1771460443424,
               "modified": false
             }
-          },
-          "Constants": {
-            "IntegrationSources.php": {
-              "type": "-",
-              "size": 263,
-              "lmtime": 1773397435140,
-              "modified": false
-            },
-            "RedirectPaths.php": {
-              "type": "-",
-              "size": 643,
-              "lmtime": 1773397436702,
-              "modified": false
-            }
           }
         },
         "Modules": {
@@ -2949,8 +2949,8 @@
             },
             "CronHandlerFactory.php": {
               "type": "-",
-              "size": 5705,
-              "lmtime": 1774293819740,
+              "size": 7691,
+              "lmtime": 1774475612061,
               "modified": false
             },
             "CronJobProcessor.php": {
@@ -2991,8 +2991,8 @@
             },
             "ShipmentTrackingHandler.php": {
               "type": "-",
-              "size": 1602,
-              "lmtime": 1774294151963,
+              "size": 3332,
+              "lmtime": 1774474758047,
               "modified": false
             },
             "ShopProOfferTitlesRefreshHandler.php": {
@@ -3095,14 +3095,14 @@
             },
             "OrdersController.php": {
               "type": "-",
-              "size": 33392,
-              "lmtime": 1774216760398,
+              "size": 33087,
+              "lmtime": 1774473628426,
               "modified": false
             },
             "OrdersRepository.php": {
               "type": "-",
-              "size": 32265,
-              "lmtime": 1774216750636,
+              "size": 34109,
+              "lmtime": 1774474648512,
               "modified": false
             },
             "OrderStatusSyncService.php": {
@@ -3227,14 +3227,14 @@
             },
             "AllegroOrderImportService.php": {
               "type": "-",
-              "size": 29642,
-              "lmtime": 1773397494713,
-              "modified": true
+              "size": 30679,
+              "lmtime": 1774474628606,
+              "modified": false
             },
             "AllegroOrdersSyncService.php": {
               "type": "-",
-              "size": 8112,
-              "lmtime": 1773396210179,
+              "size": 8127,
+              "lmtime": 1774474632492,
               "modified": false
             },
             "AllegroOrderSyncStateRepository.php": {
@@ -3263,9 +3263,9 @@
             },
             "AllegroStatusSyncService.php": {
               "type": "-",
-              "size": 3870,
-              "lmtime": 1773397499705,
-              "modified": true
+              "size": 3885,
+              "lmtime": 1774474635936,
+              "modified": false
             },
             "AllegroTokenManager.php": {
               "type": "-",
@@ -3401,8 +3401,8 @@
             },
             "PrintSettingsController.php": {
               "type": "-",
-              "size": 3404,
-              "lmtime": 0,
+              "size": 4210,
+              "lmtime": 1774474891200,
               "modified": false
             },
             "ReceiptConfigController.php": {
@@ -3611,8 +3611,8 @@
           "Automation": {
             "AutomationController.php": {
               "type": "-",
-              "size": 11363,
-              "lmtime": 1773789536055,
+              "size": 14859,
+              "lmtime": 1774475481168,
               "modified": false
             },
             "AutomationRepository.php": {
@@ -3623,8 +3623,34 @@
             },
             "AutomationService.php": {
               "type": "-",
-              "size": 5382,
-              "lmtime": 1773790173434,
+              "size": 22368,
+              "lmtime": 1774475866269,
+              "modified": false
+            }
+          },
+          "Printing": {
+            "ApiKeyMiddleware.php": {
+              "type": "-",
+              "size": 1077,
+              "lmtime": 0,
+              "modified": false
+            },
+            "PrintApiController.php": {
+              "type": "-",
+              "size": 5405,
+              "lmtime": 1774473708117,
+              "modified": false
+            },
+            "PrintApiKeyRepository.php": {
+              "type": "-",
+              "size": 2143,
+              "lmtime": 0,
+              "modified": false
+            },
+            "PrintJobRepository.php": {
+              "type": "-",
+              "size": 4696,
+              "lmtime": 1774474858944,
               "modified": false
             }
           }
diff --git a/delivery-tab-bug.png b/delivery-tab-bug.png
new file mode 100644
index 0000000..9870c1d
Binary files /dev/null and b/delivery-tab-bug.png differ
diff --git a/resources/views/automation/index.php b/resources/views/automation/index.php
index af3d39c..48790dd 100644
--- a/resources/views/automation/index.php
+++ b/resources/views/automation/index.php
@@ -54,6 +54,11 @@ $eventLabels = [
               </td>
               <td style="white-space:nowrap">
                 <a href="/settings/automation/edit?id=<?= (int) ($rule['id'] ?? 0) ?>" class="btn btn--sm btn--secondary">Edytuj</a>
+                <form action="/settings/automation/duplicate" method="post" style="display:inline">
+                  <input type="hidden" name="_token" value="<?= $e($csrfToken ?? '') ?>">
+                  <input type="hidden" name="id" value="<?= (int) ($rule['id'] ?? 0) ?>">
+                  <button type="submit" class="btn btn--sm btn--secondary">Duplikuj</button>
+                </form>
                 <form action="/settings/automation/toggle" method="post" style="display:inline">
                   <input type="hidden" name="_token" value="<?= $e($csrfToken ?? '') ?>">
                   <input type="hidden" name="id" value="<?= (int) ($rule['id'] ?? 0) ?>">
diff --git a/resources/views/layouts/app.php b/resources/views/layouts/app.php
index 093d4c2..dd75828 100644
--- a/resources/views/layouts/app.php
+++ b/resources/views/layouts/app.php
@@ -74,27 +74,21 @@
             </svg>
           </summary>
           <div class="sidebar__group-links">
-            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'users' ? ' is-active' : '' ?>" href="/settings/users">
-              <?= $e($t('navigation.users')) ?>
-            </a>
-            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'database' ? ' is-active' : '' ?>" href="/settings/database">
-              <?= $e($t('navigation.database')) ?>
-            </a>
-            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'statuses' ? ' is-active' : '' ?>" href="/settings/statuses">
-              <?= $e($t('navigation.statuses')) ?>
-            </a>
-            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'cron' ? ' is-active' : '' ?>" href="/settings/cron">
-              <?= $e($t('navigation.cron')) ?>
-            </a>
-            <a class="sidebar__sublink<?= $currentMenu === 'settings' && in_array($currentSettings, ['integrations', 'allegro', 'apaczka', 'inpost', 'shoppro'], true) ? ' is-active' : '' ?>" href="/settings/integrations">
-              <?= $e($t('navigation.integrations')) ?>
-            </a>
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'company' ? ' is-active' : '' ?>" href="/settings/company">
               <?= $e($t('navigation.company')) ?>
             </a>
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'accounting' ? ' is-active' : '' ?>" href="/settings/accounting">
               <?= $e($t('navigation.accounting')) ?>
             </a>
+            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'users' ? ' is-active' : '' ?>" href="/settings/users">
+              <?= $e($t('navigation.users')) ?>
+            </a>
+            <a class="sidebar__sublink<?= $currentMenu === 'settings' && in_array($currentSettings, ['integrations', 'allegro', 'apaczka', 'inpost', 'shoppro'], true) ? ' is-active' : '' ?>" href="/settings/integrations">
+              <?= $e($t('navigation.integrations')) ?>
+            </a>
+            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'statuses' ? ' is-active' : '' ?>" href="/settings/statuses">
+              <?= $e($t('navigation.statuses')) ?>
+            </a>
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'email-mailboxes' ? ' is-active' : '' ?>" href="/settings/email-mailboxes">
               Skrzynki pocztowe
             </a>
@@ -104,12 +98,18 @@
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'automation' ? ' is-active' : '' ?>" href="/settings/automation">
               Zadania automatyczne
             </a>
+            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'cron' ? ' is-active' : '' ?>" href="/settings/cron">
+              <?= $e($t('navigation.cron')) ?>
+            </a>
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'printing' ? ' is-active' : '' ?>" href="/settings/printing">
               Drukowanie
             </a>
             <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'delivery-status-mappings' ? ' is-active' : '' ?>" href="/settings/delivery-status-mappings">
               Mapowanie statusów dostawy
             </a>
+            <a class="sidebar__sublink<?= $currentMenu === 'settings' && $currentSettings === 'database' ? ' is-active' : '' ?>" href="/settings/database">
+              <?= $e($t('navigation.database')) ?>
+            </a>
           </div>
         </details>
       </nav>
diff --git a/resources/views/settings/allegro.php b/resources/views/settings/allegro.php
index 59971bc..46411d5 100644
--- a/resources/views/settings/allegro.php
+++ b/resources/views/settings/allegro.php
@@ -362,8 +362,8 @@ $orderproStatuses = is_array($orderproStatuses ?? null) ? $orderproStatuses : []
                         <input type="hidden" name="allegro_service_name[]" class="dm-hidden-service-name" value="<?= $e($currentServiceName) ?>">
 
                         <?php // Allegro searchable select ?>
-                        <div class="dm-allegro-panel dm-searchable-select" data-current-id="<?= $e(($currentCarrier === 'allegro' || $currentCarrier === 'inpost') ? $currentMethodId : '') ?>" data-current-name="<?= $e(($currentCarrier === 'allegro' || $currentCarrier === 'inpost') ? $currentServiceName : '') ?>" style="<?= ($currentCarrier !== 'allegro' && $currentCarrier !== 'inpost') ? 'display:none' : '' ?>">
-                          <input type="text" class="form-control dm-search-input" placeholder="<?= $e($t('settings.allegro.delivery.fields.search_placeholder')) ?>" value="<?= $e(($currentCarrier === 'allegro' || $currentCarrier === 'inpost') ? $currentServiceName : '') ?>" autocomplete="off">
+                        <div class="dm-allegro-panel dm-searchable-select" data-current-id="<?= $e($currentCarrier === 'allegro' ? $currentMethodId : '') ?>" data-current-name="<?= $e($currentCarrier === 'allegro' ? $currentServiceName : '') ?>" style="<?= $currentCarrier !== 'allegro' ? 'display:none' : '' ?>">
+                          <input type="text" class="form-control dm-search-input" placeholder="<?= $e($t('settings.allegro.delivery.fields.search_placeholder')) ?>" value="<?= $e($currentCarrier === 'allegro' ? $currentServiceName : '') ?>" autocomplete="off">
                           <div class="searchable-select__dropdown dm-dropdown">
                             <div class="searchable-select__option dm-option-clear" data-value="" data-label="" data-credentials-id="" data-carrier-id="">
                               <em class="muted">-- <?= $e($t('settings.allegro.delivery.fields.no_mapping')) ?> --</em>
@@ -559,7 +559,8 @@ $orderproStatuses = is_array($orderproStatuses ?? null) ? $orderproStatuses : []
       };
     }
 
-    document.querySelectorAll('.dm-inpost-select, .dm-apaczka-select').forEach(function (selectEl) {
+    // Filter only for Apaczka (many services); InPost has few options
+    document.querySelectorAll('.dm-apaczka-select').forEach(function (selectEl) {
       attachSelectFilter(selectEl);
     });
 
diff --git a/resources/views/settings/email-templates.php b/resources/views/settings/email-templates.php
index e2e23e0..35d1b2e 100644
--- a/resources/views/settings/email-templates.php
+++ b/resources/views/settings/email-templates.php
@@ -53,6 +53,11 @@ $attachmentTypes = is_array($attachmentTypes ?? null) ? $attachmentTypes : [];
               </td>
               <td style="white-space:nowrap">
                 <a href="/settings/email-templates?edit=<?= (int) ($tpl['id'] ?? 0) ?>" class="btn btn--sm btn--secondary">Edytuj</a>
+                <form action="/settings/email-templates/duplicate" method="post" style="display:inline">
+                  <input type="hidden" name="_token" value="<?= $e($csrfToken ?? '') ?>">
+                  <input type="hidden" name="id" value="<?= (int) ($tpl['id'] ?? 0) ?>">
+                  <button type="submit" class="btn btn--sm btn--secondary">Duplikuj</button>
+                </form>
                 <button type="button" class="btn btn--sm btn--secondary js-toggle-btn"
                   data-id="<?= (int) ($tpl['id'] ?? 0) ?>"
                   data-active="<?= (int) ($tpl['is_active'] ?? 0) ?>">
diff --git a/routes/web.php b/routes/web.php
index 80330b5..70f1fb9 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -391,6 +391,7 @@ return static function (Application $app): void {
     $router->get('/settings/email-templates', [$emailTemplateController, 'index'], [$authMiddleware]);
     $router->post('/settings/email-templates/save', [$emailTemplateController, 'save'], [$authMiddleware]);
     $router->post('/settings/email-templates/delete', [$emailTemplateController, 'delete'], [$authMiddleware]);
+    $router->post('/settings/email-templates/duplicate', [$emailTemplateController, 'duplicate'], [$authMiddleware]);
     $router->post('/settings/email-templates/toggle', [$emailTemplateController, 'toggleStatus'], [$authMiddleware]);
     $router->post('/settings/email-templates/preview', [$emailTemplateController, 'preview'], [$authMiddleware]);
     $router->get('/settings/email-templates/variables', [$emailTemplateController, 'getVariables'], [$authMiddleware]);
@@ -400,6 +401,7 @@ return static function (Application $app): void {
     $router->get('/settings/automation/edit', [$automationController, 'edit'], [$authMiddleware]);
     $router->post('/settings/automation/update', [$automationController, 'update'], [$authMiddleware]);
     $router->post('/settings/automation/delete', [$automationController, 'destroy'], [$authMiddleware]);
+    $router->post('/settings/automation/duplicate', [$automationController, 'duplicate'], [$authMiddleware]);
     $router->post('/settings/automation/toggle', [$automationController, 'toggleStatus'], [$authMiddleware]);
     $router->get('/settings/delivery-status-mappings', [$deliveryStatusMappingController, 'index'], [$authMiddleware]);
     $router->post('/settings/delivery-status-mappings/save', [$deliveryStatusMappingController, 'save'], [$authMiddleware]);
diff --git a/src/Modules/Automation/AutomationController.php b/src/Modules/Automation/AutomationController.php
index 23131d4..4065e87 100644
--- a/src/Modules/Automation/AutomationController.php
+++ b/src/Modules/Automation/AutomationController.php
@@ -160,6 +160,29 @@ final class AutomationController
         return Response::redirect('/settings/automation');
     }
 
+    public function duplicate(Request $request): Response
+    {
+        $error = $this->validateCsrf($request);
+        if ($error !== null) {
+            return $error;
+        }
+
+        $id = (int) $request->input('id', '0');
+        if ($id <= 0) {
+            Flash::set('settings.automation.error', 'Nieprawidlowy identyfikator');
+            return Response::redirect('/settings/automation');
+        }
+
+        try {
+            $this->repository->duplicate($id);
+            Flash::set('settings.automation.success', 'Zadanie zostalo zduplikowane');
+        } catch (Throwable) {
+            Flash::set('settings.automation.error', 'Blad duplikowania zadania');
+        }
+
+        return Response::redirect('/settings/automation');
+    }
+
     public function toggleStatus(Request $request): Response
     {
         $error = $this->validateCsrf($request);
diff --git a/src/Modules/Automation/AutomationRepository.php b/src/Modules/Automation/AutomationRepository.php
index bde7fa6..7e4dd44 100644
--- a/src/Modules/Automation/AutomationRepository.php
+++ b/src/Modules/Automation/AutomationRepository.php
@@ -126,6 +126,28 @@ final class AutomationRepository
         $statement->execute(['id' => $id]);
     }
 
+    public function duplicate(int $id): int
+    {
+        $source = $this->findById($id);
+        if ($source === null) {
+            throw new \RuntimeException('Zadanie nie istnieje');
+        }
+
+        $conditions = array_map(static function (array $c): array {
+            return ['type' => $c['condition_type'], 'value' => $c['condition_value']];
+        }, $source['conditions']);
+
+        $actions = array_map(static function (array $a): array {
+            return ['type' => $a['action_type'], 'config' => $a['action_config']];
+        }, $source['actions']);
+
+        return $this->create(
+            ['name' => 'Kopia — ' . $source['name'], 'event_type' => $source['event_type'], 'is_active' => 0],
+            $conditions,
+            $actions
+        );
+    }
+
     public function toggleActive(int $id): void
     {
         $statement = $this->pdo->prepare(
diff --git a/src/Modules/Settings/EmailTemplateController.php b/src/Modules/Settings/EmailTemplateController.php
index 847bfcc..bac5b9a 100644
--- a/src/Modules/Settings/EmailTemplateController.php
+++ b/src/Modules/Settings/EmailTemplateController.php
@@ -196,6 +196,29 @@ final class EmailTemplateController
         }
     }
 
+    public function duplicate(Request $request): Response
+    {
+        if (!Csrf::validate((string) $request->input('_token', ''))) {
+            Flash::set('settings.email_templates.error', 'Nieprawidlowy token CSRF');
+            return Response::redirect('/settings/email-templates');
+        }
+
+        $id = (int) $request->input('id', '0');
+        if ($id <= 0) {
+            Flash::set('settings.email_templates.error', 'Nieprawidlowy identyfikator szablonu');
+            return Response::redirect('/settings/email-templates');
+        }
+
+        try {
+            $this->repository->duplicate($id);
+            Flash::set('settings.email_templates.success', 'Szablon zostal zduplikowany');
+        } catch (Throwable) {
+            Flash::set('settings.email_templates.error', 'Blad duplikowania szablonu');
+        }
+
+        return Response::redirect('/settings/email-templates');
+    }
+
     public function preview(Request $request): Response
     {
         if (!Csrf::validate((string) $request->input('_token', ''))) {
diff --git a/src/Modules/Settings/EmailTemplateRepository.php b/src/Modules/Settings/EmailTemplateRepository.php
index 3dd29f2..c448202 100644
--- a/src/Modules/Settings/EmailTemplateRepository.php
+++ b/src/Modules/Settings/EmailTemplateRepository.php
@@ -119,4 +119,24 @@ final class EmailTemplateRepository
         );
         $statement->execute(['id' => $id]);
     }
+
+    public function duplicate(int $id): void
+    {
+        $source = $this->findById($id);
+        if ($source === null) {
+            throw new \RuntimeException('Szablon nie istnieje');
+        }
+
+        $statement = $this->pdo->prepare(
+            'INSERT INTO email_templates (name, subject, body_html, mailbox_id, attachment_1, is_active)
+             VALUES (:name, :subject, :body_html, :mailbox_id, :attachment_1, 0)'
+        );
+        $statement->execute([
+            'name' => 'Kopia — ' . $source['name'],
+            'subject' => $source['subject'],
+            'body_html' => $source['body_html'],
+            'mailbox_id' => $source['mailbox_id'],
+            'attachment_1' => $source['attachment_1'],
+        ]);
+    }
 }