diff --git a/src/Bundle/ChillMainBundle/Controller/ExportController.php b/src/Bundle/ChillMainBundle/Controller/ExportController.php
index a327b536a..41237b21e 100644
--- a/src/Bundle/ChillMainBundle/Controller/ExportController.php
+++ b/src/Bundle/ChillMainBundle/Controller/ExportController.php
@@ -13,13 +13,16 @@ namespace Chill\MainBundle\Controller;
 
 use Chill\MainBundle\Entity\SavedExport;
 use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Export\DirectExportInterface;
 use Chill\MainBundle\Export\ExportFormHelper;
+use Chill\MainBundle\Export\ExportInterface;
 use Chill\MainBundle\Export\ExportManager;
 use Chill\MainBundle\Form\SavedExportType;
 use Chill\MainBundle\Form\Type\Export\ExportType;
 use Chill\MainBundle\Form\Type\Export\FormatterType;
 use Chill\MainBundle\Form\Type\Export\PickCenterType;
 use Chill\MainBundle\Redis\ChillRedis;
+use Chill\MainBundle\Repository\SavedExportRepositoryInterface;
 use Chill\MainBundle\Security\Authorization\SavedExportVoter;
 use Doctrine\ORM\EntityManagerInterface;
 use LogicException;
@@ -37,6 +40,7 @@ use Symfony\Component\HttpFoundation\Session\SessionInterface;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\Routing\Annotation\Route;
 
+use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
 use function count;
 use function serialize;
@@ -89,6 +93,8 @@ class ExportController extends AbstractController
         TranslatorInterface $translator,
         EntityManagerInterface $entityManager,
         private readonly ExportFormHelper $exportFormHelper,
+        private readonly SavedExportRepositoryInterface $savedExportRepository,
+        private readonly Security $security,
     ) {
         $this->entityManager = $entityManager;
         $this->redis = $chillRedis;
@@ -103,12 +109,11 @@ class ExportController extends AbstractController
     {
         /** @var \Chill\MainBundle\Export\ExportManager $exportManager */
         $exportManager = $this->exportManager;
-
         $export = $exportManager->getExport($alias);
-
         $key = $request->query->get('key', null);
+        $savedExport = $this->getSavedExportFromRequest($request);
 
-        [$dataCenters, $dataExport, $dataFormatter] = $this->rebuildData($key);
+        [$dataCenters, $dataExport, $dataFormatter] = $this->rebuildData($key, $savedExport);
 
         $formatterAlias = $exportManager->getFormatterAlias($dataExport['export']);
 
@@ -146,8 +151,9 @@ class ExportController extends AbstractController
         /** @var \Chill\MainBundle\Export\ExportManager $exportManager */
         $exportManager = $this->exportManager;
         $key = $request->query->get('key', null);
+        $savedExport = $this->getSavedExportFromRequest($request);
 
-        [$dataCenters, $dataExport, $dataFormatter] = $this->rebuildData($key);
+        [$dataCenters, $dataExport, $dataFormatter] = $this->rebuildData($key, $savedExport);
 
         return $exportManager->generate(
             $alias,
@@ -206,12 +212,8 @@ class ExportController extends AbstractController
      * 3. 'generate': gather data from session from the previous steps, and
      * make a redirection to the "generate" action with data in query (HTTP GET)
      *
-     * @param string $request
-     * @param Request $alias
-     *
-     * @return \Symfony\Component\HttpFoundation\Response
      */
-    public function newAction(Request $request, $alias)
+    public function newAction(Request $request, string $alias): Response
     {
         // first check for ACL
         $exportManager = $this->exportManager;
@@ -221,20 +223,22 @@ class ExportController extends AbstractController
             throw $this->createAccessDeniedException('The user does not have access to this export');
         }
 
+        $savedExport = $this->getSavedExportFromRequest($request);
+
         $step = $request->query->getAlpha('step', 'centers');
 
         switch ($step) {
             case 'centers':
-                return $this->selectCentersStep($request, $export, $alias);
+                return $this->selectCentersStep($request, $export, $alias, $savedExport);
 
             case 'export':
-                return $this->exportFormStep($request, $export, $alias);
+                return $this->exportFormStep($request, $export, $alias, $savedExport);
 
             case 'formatter':
-                return $this->formatterFormStep($request, $export, $alias);
+                return $this->formatterFormStep($request, $export, $alias, $savedExport);
 
             case 'generate':
-                return $this->forwardToGenerate($request, $export, $alias);
+                return $this->forwardToGenerate($request, $export, $alias, $savedExport);
 
             default:
                 throw $this->createNotFoundException("The given step '{$step}' is invalid");
@@ -284,29 +288,35 @@ class ExportController extends AbstractController
     /**
      * create a form to show on different steps.
      *
-     * @param string $alias
      * @param array $data the data from previous step. Required for steps 'formatter' and 'generate_formatter'
-     * @param mixed $step
      */
-    protected function createCreateFormExport($alias, $step, $data = []): FormInterface
+    protected function createCreateFormExport(string $alias, string $step, array $data, ?SavedExport $savedExport): FormInterface
     {
         /** @var \Chill\MainBundle\Export\ExportManager $exportManager */
         $exportManager = $this->exportManager;
         $isGenerate = strpos($step, 'generate_') === 0;
 
+        $options = match ($step) {
+            'export', 'generate_export' => ['picked_centers' => $exportManager->getPickedCenters($data['centers'])],
+            default => [],
+        };
+
+        $defaultFormData = match ($savedExport) {
+            null => $this->exportFormHelper->getDefaultData($step, $exportManager->getExport($alias), $options),
+            default => $this->exportFormHelper->savedExportDataToFormData($savedExport, $step, $options),
+        };
+
         $builder = $this->formFactory
             ->createNamedBuilder(
                 null,
                 FormType::class,
-                $this->exportFormHelper->getDefaultData($step, $exportManager->getExport($alias)),
+                $defaultFormData,
                 [
                     'method' => $isGenerate ? 'GET' : 'POST',
-                    'csrf_protection' => $isGenerate ? false : true,
+                    'csrf_protection' => !$isGenerate,
                 ]
             );
 
-        // TODO: add a condition to be able to select a regroupment of centers?
-
         if ('centers' === $step || 'generate_centers' === $step) {
             $builder->add('centers', PickCenterType::class, [
                 'export_alias' => $alias,
@@ -342,13 +352,8 @@ class ExportController extends AbstractController
      *
      * When the method is POST, the form is stored if valid, and a redirection
      * is done to next step.
-     *
-     * @param string $alias
-     * @param \Chill\MainBundle\Export\DirectExportInterface|\Chill\MainBundle\Export\ExportInterface $export
-     *
-     * @return \Symfony\Component\HttpFoundation\Response
      */
-    private function exportFormStep(Request $request, $export, $alias)
+    private function exportFormStep(Request $request, DirectExportInterface|ExportInterface $export, string $alias, ?SavedExport $savedExport = null): Response
     {
         $exportManager = $this->exportManager;
 
@@ -364,7 +369,7 @@ class ExportController extends AbstractController
 
         $export = $exportManager->getExport($alias);
 
-        $form = $this->createCreateFormExport($alias, 'export', $data);
+        $form = $this->createCreateFormExport($alias, 'export', $data, $savedExport);
 
         if ($request->getMethod() === 'POST') {
             $form->handleRequest($request);
@@ -386,6 +391,7 @@ class ExportController extends AbstractController
                     $this->generateUrl('chill_main_export_new', [
                         'step' => $this->getNextStep('export', $export),
                         'alias' => $alias,
+                        'from_saved' => $request->get('from_saved', '')
                     ])
                 );
             }
@@ -406,13 +412,8 @@ class ExportController extends AbstractController
      *
      * If the form is posted and valid, store the data in session and
      * redirect to the next step.
-     *
-     * @param \Chill\MainBundle\Export\DirectExportInterface|\Chill\MainBundle\Export\ExportInterface $export
-     * @param string $alias
-     *
-     * @return \Symfony\Component\HttpFoundation\Response
      */
-    private function formatterFormStep(Request $request, $export, $alias)
+    private function formatterFormStep(Request $request, DirectExportInterface|ExportInterface $export, string $alias, ?SavedExport $savedExport = null): Response
     {
         // check we have data from the previous step (export step)
         $data = $this->session->get('export_step', null);
@@ -424,7 +425,7 @@ class ExportController extends AbstractController
             ]);
         }
 
-        $form = $this->createCreateFormExport($alias, 'formatter', $data);
+        $form = $this->createCreateFormExport($alias, 'formatter', $data, $savedExport);
 
         if ($request->getMethod() === 'POST') {
             $form->handleRequest($request);
@@ -443,6 +444,7 @@ class ExportController extends AbstractController
                     [
                         'alias' => $alias,
                         'step' => $this->getNextStep('formatter', $export),
+                        'from_saved' => $request->get('from_saved', ''),
                     ]
                 ));
             }
@@ -469,7 +471,7 @@ class ExportController extends AbstractController
      *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
-    private function forwardToGenerate(Request $request, $export, $alias)
+    private function forwardToGenerate(Request $request, $export, $alias, ?SavedExport $savedExport)
     {
         $dataCenters = $this->session->get('centers_step_raw', null);
         $dataFormatter = $this->session->get('formatter_step_raw', null);
@@ -501,17 +503,17 @@ class ExportController extends AbstractController
         return $this->redirectToRoute('chill_main_export_download', ['key' => $key, 'alias' => $alias]);
     }
 
-    private function rebuildData($key)
+    private function rebuildData($key, ?SavedExport $savedExport)
     {
         $rawData = $this->rebuildRawData($key);
 
         $alias = $rawData['alias'];
 
-        $formCenters = $this->createCreateFormExport($alias, 'generate_centers');
+        $formCenters = $this->createCreateFormExport($alias, 'generate_centers', [], $savedExport);
         $formCenters->submit($rawData['centers']);
         $dataCenters = $formCenters->getData();
 
-        $formExport = $this->createCreateFormExport($alias, 'generate_export', $dataCenters);
+        $formExport = $this->createCreateFormExport($alias, 'generate_export', $dataCenters, $savedExport);
         $formExport->submit($rawData['export']);
         $dataExport = $formExport->getData();
 
@@ -519,7 +521,8 @@ class ExportController extends AbstractController
             $formFormatter = $this->createCreateFormExport(
                 $alias,
                 'generate_formatter',
-                $dataExport
+                $dataExport,
+                $savedExport
             );
             $formFormatter->submit($rawData['formatter']);
             $dataFormatter = $formFormatter->getData();
@@ -534,12 +537,12 @@ class ExportController extends AbstractController
      *
      * @return Response
      */
-    private function selectCentersStep(Request $request, $export, $alias)
+    private function selectCentersStep(Request $request, $export, $alias, ?SavedExport $savedExport = null)
     {
         /** @var \Chill\MainBundle\Export\ExportManager $exportManager */
         $exportManager = $this->exportManager;
 
-        $form = $this->createCreateFormExport($alias, 'centers');
+        $form = $this->createCreateFormExport($alias, 'centers', [], $savedExport);
 
         if ($request->getMethod() === 'POST') {
             $form->handleRequest($request);
@@ -571,6 +574,7 @@ class ExportController extends AbstractController
                 return $this->redirectToRoute('chill_main_export_new', [
                     'step' => $this->getNextStep('centers', $export),
                     'alias' => $alias,
+                    'from_saved' => $request->get('from_saved', ''),
                 ]);
             }
         }
@@ -677,4 +681,18 @@ class ExportController extends AbstractController
 
         return $rawData;
     }
+
+    private function getSavedExportFromRequest(Request $request): ?SavedExport
+    {
+        $savedExport = match ($savedExportId = $request->query->get('from_saved', '')) {
+            '' => null,
+            default => $this->savedExportRepository->find($savedExportId),
+        };
+
+        if (null !== $savedExport && !$this->security->isGranted(SavedExportVoter::EDIT, $savedExport)) {
+            throw new AccessDeniedHttpException("saved export edition not allowed");
+        }
+
+        return $savedExport;
+    }
 }
diff --git a/src/Bundle/ChillMainBundle/Export/ExportFormHelper.php b/src/Bundle/ChillMainBundle/Export/ExportFormHelper.php
index 1105217c8..6f00c91da 100644
--- a/src/Bundle/ChillMainBundle/Export/ExportFormHelper.php
+++ b/src/Bundle/ChillMainBundle/Export/ExportFormHelper.php
@@ -11,27 +11,127 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Export;
 
+use Chill\MainBundle\Entity\SavedExport;
+use Chill\MainBundle\Form\Type\Export\ExportType;
+use Chill\MainBundle\Form\Type\Export\FilterType;
+use Chill\MainBundle\Form\Type\Export\PickCenterType;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelperForCurrentUserInterface;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
+use Symfony\Component\Form\FormFactoryInterface;
 
 final readonly class ExportFormHelper
 {
     public function __construct(
-        private ExportManager $exportManager,
         private AuthorizationHelperForCurrentUserInterface $authorizationHelper,
+        private ExportManager $exportManager,
+        private FormFactoryInterface $formFactory,
     ) {
     }
 
-    /**
-     * @param list<"centers"> $steps
-     */
-    public function getDefaultData(string $step, ExportInterface $export): array
+    public function getDefaultData(string $step, ExportInterface|DirectExportInterface $export, array $options = []): array
     {
-        $data = [];
+        return match ($step) {
+            'centers', 'generate_centers' => ['centers' => $this->authorizationHelper->getReachableCenters($export->requiredRole())],
+            'export', 'generate_export' => ['export' => $this->getDefaultDataStepExport($export, $options)],
+            'formatter', 'generate_formatter' => [],
+            default => throw new \LogicException("step not allowed : " . $step),
+        };
+    }
 
-        if ($step === 'centers') {
-            $data['centers'] = $this->authorizationHelper->getReachableCenters($export->requiredRole());
+    private function getDefaultDataStepExport(ExportInterface|DirectExportInterface $export, array $options): array
+    {
+        $data = [
+            ExportType::EXPORT_KEY => $export->getFormDefaultData(),
+            ExportType::FILTER_KEY => [],
+            ExportType::AGGREGATOR_KEY => [],
+            ExportType::PICK_FORMATTER_KEY => [],
+        ];
+
+        $filters = $this->exportManager->getFiltersApplyingOn($export, $options['picked_centers']);
+        foreach ($filters as $alias => $filter) {
+            $data[ExportType::FILTER_KEY][$alias] = [
+                FilterType::ENABLED_FIELD => false,
+                'form' => $filter->getFormDefaultData()
+            ];
         }
 
+        $aggregators = $this->exportManager
+            ->getAggregatorsApplyingOn($export, $options['picked_centers']);
+        foreach ($aggregators as $alias => $aggregator) {
+            $data[ExportType::AGGREGATOR_KEY][$alias] = [
+                'enabled' => false,
+                'form' => $aggregator->getFormDefaultData(),
+            ];
+        }
+
+        $allowedFormatters = $this->exportManager
+            ->getFormattersByTypes($export->getAllowedFormattersTypes());
+        $choices = [];
+        foreach (array_keys(iterator_to_array($allowedFormatters)) as $alias) {
+            $choices[] = $alias;
+        }
+
+        $data[ExportType::PICK_FORMATTER_KEY]['alias'] = match (count($choices)) {
+            1 => $choices[0],
+            default => null,
+        };
+
         return $data;
     }
+
+    public function savedExportDataToFormData(
+        SavedExport $savedExport,
+        string $step,
+        array $formOptions = [],
+    ): array {
+        return match ($step) {
+            'centers', 'generate_centers' => $this->savedExportDataToFormDataStepCenter($savedExport),
+            'export', 'generate_export' => $this->savedExportDataToFormDataStepExport($savedExport, $formOptions),
+            'formatter', 'generate_formatter' => [],
+            default => throw new \LogicException("this step is not allowed: " . $step),
+        };
+    }
+
+    private function savedExportDataToFormDataStepCenter(
+        SavedExport $savedExport,
+    ): array {
+        $builder = $this->formFactory
+            ->createBuilder(
+                FormType::class,
+                [],
+                [
+                    'csrf_protection' => false,
+                ]
+            );
+
+        $builder->add('centers', PickCenterType::class, [
+            'export_alias' => $savedExport->getExportAlias(),
+        ]);
+        $form = $builder->getForm();
+        $form->submit($savedExport->getOptions()['centers']);
+
+        return $form->getData();
+    }
+
+    private function savedExportDataToFormDataStepExport(
+        SavedExport $savedExport,
+        array $formOptions
+    ): array {
+        $builder = $this->formFactory
+            ->createBuilder(
+                FormType::class,
+                [],
+                [
+                    'csrf_protection' => false,
+                ]
+            );
+
+        $builder->add('export', ExportType::class, [
+            'export_alias' => $savedExport->getExportAlias(), ...$formOptions
+        ]);
+        $form = $builder->getForm();
+        $form->submit($savedExport->getOptions()['export']);
+
+        return $form->getData();
+    }
 }
diff --git a/src/Bundle/ChillMainBundle/Export/ExportManager.php b/src/Bundle/ChillMainBundle/Export/ExportManager.php
index f39926083..7ad880642 100644
--- a/src/Bundle/ChillMainBundle/Export/ExportManager.php
+++ b/src/Bundle/ChillMainBundle/Export/ExportManager.php
@@ -12,7 +12,6 @@ declare(strict_types=1);
 namespace Chill\MainBundle\Export;
 
 use Chill\MainBundle\Form\Type\Export\ExportType;
-use Chill\MainBundle\Form\Type\Export\PickCenterType;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelperInterface;
 use Doctrine\ORM\QueryBuilder;
 use Generator;
@@ -131,9 +130,9 @@ class ExportManager
      *
      * @internal This class check the interface implemented by export, and, if ´ListInterface´ is used, return an empty array
      *
-     * @return AggregatorInterface[] a \Generator that contains aggretagors. The key is the filter's alias
+     * @return null|iterable<string, AggregatorInterface> a \Generator that contains aggretagors. The key is the filter's alias
      */
-    public function &getAggregatorsApplyingOn(ExportInterface $export, ?array $centers = null)
+    public function &getAggregatorsApplyingOn(ExportInterface $export, ?array $centers = null): ?iterable
     {
         if ($export instanceof ListInterface) {
             return;
@@ -149,7 +148,7 @@ class ExportManager
         }
     }
 
-    public function addExportElementsProvider(ExportElementsProviderInterface $provider, $prefix)
+    public function addExportElementsProvider(ExportElementsProviderInterface $provider, string $prefix): void
     {
         foreach ($provider->getExportElements() as $suffix => $element) {
             $alias = $prefix . '_' . $suffix;
@@ -173,23 +172,16 @@ class ExportManager
      * add a formatter.
      *
      * @internal used by DI
-     *
-     * @param string $alias
      */
-    public function addFormatter(FormatterInterface $formatter, $alias)
+    public function addFormatter(FormatterInterface $formatter, string $alias)
     {
         $this->formatters[$alias] = $formatter;
     }
 
     /**
      * Generate a response which contains the requested data.
-     *
-     * @param string $exportAlias
-     * @param mixed[] $data
-     *
-     * @return Response
      */
-    public function generate($exportAlias, array $pickedCentersData, array $data, array $formatterData)
+    public function generate(string $exportAlias, array $pickedCentersData, array $data, array $formatterData): Response
     {
         $export = $this->getExport($exportAlias);
         $centers = $this->getPickedCenters($pickedCentersData);
@@ -288,7 +280,11 @@ class ExportManager
         return $this->aggregators[$alias];
     }
 
-    public function getAggregators(array $aliases)
+    /**
+     * @param array $aliases
+     * @return iterable<string, AggregatorInterface>
+     */
+    public function getAggregators(array $aliases): iterable
     {
         foreach ($aliases as $alias) {
             yield $alias => $this->getAggregator($alias);
@@ -296,9 +292,11 @@ class ExportManager
     }
 
     /**
-     * @return string[] the existing type for known exports
+     * Get the types for known exports
+     *
+     * @return list<string> the existing type for known exports
      */
-    public function getExistingExportsTypes()
+    public function getExistingExportsTypes(): array
     {
         $existingTypes = [];
 
@@ -317,10 +315,8 @@ class ExportManager
      * @param string $alias
      *
      * @throws RuntimeException
-     *
-     * @return ExportInterface
      */
-    public function getExport($alias)
+    public function getExport($alias): ExportInterface|DirectExportInterface
     {
         if (!array_key_exists($alias, $this->exports)) {
             throw new RuntimeException("The export with alias {$alias} is not known.");
@@ -334,9 +330,9 @@ class ExportManager
      *
      * @param bool $whereUserIsGranted if true (default), restrict to user which are granted the right to execute the export
      *
-     * @return ExportInterface[] an array where export's alias are keys
+     * @return iterable<string, ExportInterface|DirectExportInterface> an array where export's alias are keys
      */
-    public function getExports($whereUserIsGranted = true)
+    public function getExports($whereUserIsGranted = true): iterable
     {
         foreach ($this->exports as $alias => $export) {
             if ($whereUserIsGranted) {
@@ -354,9 +350,9 @@ class ExportManager
      *
      * @param bool $whereUserIsGranted
      *
-     * @return array where keys are the groups's name and value is an array of exports
+     * @return array<string, array<string, ExportInterface|DirectExportInterface>> where keys are the groups's name and value is an array of exports
      */
-    public function getExportsGrouped($whereUserIsGranted = true): array
+    public function getExportsGrouped(bool $whereUserIsGranted = true): array
     {
         $groups = ['_' => []];
 
@@ -375,10 +371,8 @@ class ExportManager
      * @param string $alias
      *
      * @throws RuntimeException if the filter is not known
-     *
-     * @return FilterInterface
      */
-    public function getFilter($alias)
+    public function getFilter(string $alias): FilterInterface
     {
         if (!array_key_exists($alias, $this->filters)) {
             throw new RuntimeException("The filter with alias {$alias} is not known.");
@@ -390,16 +384,17 @@ class ExportManager
     /**
      * get all filters.
      *
-     * @param Generator $aliases
+     * @param array<string> $aliases
+     * @return iterable<string, FilterInterface> $aliases
      */
-    public function getFilters(array $aliases)
+    public function getFilters(array $aliases): iterable
     {
         foreach ($aliases as $alias) {
             yield $alias => $this->getFilter($alias);
         }
     }
 
-    public function getFormatter($alias)
+    public function getFormatter(string $alias): FormatterInterface
     {
         if (!array_key_exists($alias, $this->formatters)) {
             throw new RuntimeException("The formatter with alias {$alias} is not known.");
@@ -414,7 +409,7 @@ class ExportManager
      * @param array $data the data from the export form
      * @string the formatter alias|null
      */
-    public function getFormatterAlias(array $data)
+    public function getFormatterAlias(array $data): ?string
     {
         if (array_key_exists(ExportType::PICK_FORMATTER_KEY, $data)) {
             return $data[ExportType::PICK_FORMATTER_KEY]['alias'];
@@ -426,9 +421,9 @@ class ExportManager
     /**
      * Get all formatters which supports one of the given types.
      *
-     * @return Generator
+     * @return iterable<string, FormatterInterface>
      */
-    public function getFormattersByTypes(array $types)
+    public function getFormattersByTypes(array $types): iterable
     {
         foreach ($this->formatters as $alias => $formatter) {
             if (in_array($formatter->getType(), $types, true)) {
@@ -445,7 +440,7 @@ class ExportManager
      *
      * @return \Chill\MainBundle\Entity\Center[] the picked center
      */
-    public function getPickedCenters(array $data)
+    public function getPickedCenters(array $data): array
     {
         return $data;
     }
@@ -455,9 +450,9 @@ class ExportManager
      *
      * @param array $data the data from the export form
      *
-     * @return string[]
+     * @return list<string>
      */
-    public function getUsedAggregatorsAliases(array $data)
+    public function getUsedAggregatorsAliases(array $data): array
     {
         $aggregators = $this->retrieveUsedAggregators($data[ExportType::AGGREGATOR_KEY]);
 
@@ -471,9 +466,8 @@ class ExportManager
      * @param \Chill\MainBundle\Export\ExportElementInterface $element
      * @param DirectExportInterface|ExportInterface $export
      *
-     * @return bool
      */
-    public function isGrantedForElement(ExportElementInterface $element, ?ExportElementInterface $export = null, ?array $centers = null)
+    public function isGrantedForElement(ExportElementInterface $element, ?ExportElementInterface $export = null, ?array $centers = null): bool
     {
         if ($element instanceof ExportInterface || $element instanceof DirectExportInterface) {
             $role = $element->requiredRole();
@@ -548,13 +542,12 @@ class ExportManager
      * Check for acl. If an user is not authorized to see an aggregator, throw an
      * UnauthorizedException.
      *
-     * @param type $data
      * @throw UnauthorizedHttpException if the user is not authorized
      */
     private function handleAggregators(
         ExportInterface $export,
         QueryBuilder $qb,
-        $data,
+        array $data,
         array $center
     ) {
         $aggregators = $this->retrieveUsedAggregators($data);
@@ -600,9 +593,9 @@ class ExportManager
     /**
      * @param mixed $data
      *
-     * @return AggregatorInterface[]
+     * @return iterable<string, AggregatorInterface>
      */
-    private function retrieveUsedAggregators($data)
+    private function retrieveUsedAggregators($data): iterable
     {
         if (null === $data) {
             return [];
diff --git a/src/Bundle/ChillMainBundle/Form/Type/Export/AggregatorType.php b/src/Bundle/ChillMainBundle/Form/Type/Export/AggregatorType.php
index eff303573..1ea01d5f8 100644
--- a/src/Bundle/ChillMainBundle/Form/Type/Export/AggregatorType.php
+++ b/src/Bundle/ChillMainBundle/Form/Type/Export/AggregatorType.php
@@ -32,7 +32,6 @@ class AggregatorType extends AbstractType
             ->add('enabled', CheckboxType::class, [
                 'value' => true,
                 'required' => false,
-                'data' => false,
             ]);
 
         $filterFormBuilder = $builder->create('form', FormType::class, [
diff --git a/src/Bundle/ChillMainBundle/Form/Type/Export/FilterType.php b/src/Bundle/ChillMainBundle/Form/Type/Export/FilterType.php
index 153f8946b..7994881d5 100644
--- a/src/Bundle/ChillMainBundle/Form/Type/Export/FilterType.php
+++ b/src/Bundle/ChillMainBundle/Form/Type/Export/FilterType.php
@@ -33,7 +33,6 @@ class FilterType extends AbstractType
         $builder
             ->add(self::ENABLED_FIELD, CheckboxType::class, [
                 'value' => true,
-                'data' => false,
                 'required' => false,
             ]);
 
diff --git a/src/Bundle/ChillMainBundle/Form/Type/Export/PickFormatterType.php b/src/Bundle/ChillMainBundle/Form/Type/Export/PickFormatterType.php
index ce442231e..b3253ec42 100644
--- a/src/Bundle/ChillMainBundle/Form/Type/Export/PickFormatterType.php
+++ b/src/Bundle/ChillMainBundle/Form/Type/Export/PickFormatterType.php
@@ -47,8 +47,6 @@ class PickFormatterType extends AbstractType
             'multiple' => false,
             'placeholder' => 'Choose a format',
         ]);
-
-        //$builder->get('type')->addModelTransformer($transformer);
     }
 
     public function configureOptions(OptionsResolver $resolver)
diff --git a/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/MaritalStatusAggregator.php b/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/MaritalStatusAggregator.php
index 08bde4bda..c311aadf3 100644
--- a/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/MaritalStatusAggregator.php
+++ b/src/Bundle/ChillPersonBundle/Export/Aggregator/PersonAggregators/MaritalStatusAggregator.php
@@ -48,6 +48,7 @@ final class MaritalStatusAggregator implements AggregatorInterface
 
     public function applyOn()
     {
+        return 'abcde';
         return Declarations::PERSON_TYPE;
     }
 
@@ -56,6 +57,11 @@ final class MaritalStatusAggregator implements AggregatorInterface
         // no form
     }
 
+    public function getFormDefaultData(): array
+    {
+        return [];
+    }
+
     public function getLabels($key, array $values, $data)
     {
         return function ($value): string {
diff --git a/src/Bundle/ChillPersonBundle/Export/Export/CountPerson.php b/src/Bundle/ChillPersonBundle/Export/Export/CountPerson.php
index 60429ae55..c1800395c 100644
--- a/src/Bundle/ChillPersonBundle/Export/Export/CountPerson.php
+++ b/src/Bundle/ChillPersonBundle/Export/Export/CountPerson.php
@@ -38,6 +38,11 @@ class CountPerson implements ExportInterface, GroupedExportInterface
         // No form necessary
     }
 
+    public function getFormDefaultData(): array
+    {
+        return [];
+    }
+
     public function getAllowedFormattersTypes()
     {
         return [FormatterInterface::TYPE_TABULAR];
@@ -115,9 +120,9 @@ class CountPerson implements ExportInterface, GroupedExportInterface
     public function supportsModifiers()
     {
         return [
-            Declarations::PERSON_TYPE,
-            Declarations::PERSON_IMPLIED_IN,
-            //Declarations::ACP_TYPE
+            'abcde',
+            //Declarations::PERSON_TYPE,
+            //Declarations::PERSON_IMPLIED_IN,
         ];
     }
 }
diff --git a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/AgeFilter.php b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/AgeFilter.php
index c05f97ca8..66db7e95b 100644
--- a/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/AgeFilter.php
+++ b/src/Bundle/ChillPersonBundle/Export/Filter/PersonFilters/AgeFilter.php
@@ -73,6 +73,7 @@ class AgeFilter implements ExportElementValidatedInterface, FilterInterface
 
     public function applyOn()
     {
+        return 'abcde';
         return Declarations::PERSON_TYPE;
     }
 
@@ -92,6 +93,15 @@ class AgeFilter implements ExportElementValidatedInterface, FilterInterface
         ]);
     }
 
+    public function getFormDefaultData(): array
+    {
+        return [
+            'min_age' => 0,
+            'max_age' => 120,
+            'date_calc' => new RollingDate(RollingDate::T_TODAY),
+        ];
+    }
+
     public function describeAction($data, $format = 'string')
     {
         return ['Filtered by person\'s age: '