diff --git a/core/module/course/course.php b/core/module/course/course.php
index bb0169e..a789f50 100644
--- a/core/module/course/course.php
+++ b/core/module/course/course.php
@@ -539,7 +539,7 @@ class course extends common
                 template::button('userDelete' . $userId, [
                     'class' => 'userDelete buttonRed',
                     'href' => helper::baseUrl() . 'course/userDelete/' . $courseId . '/' . $userId,
-                    'value' => template::ico('trash'),
+                    'value' => template::ico('user'),
                     'help' => 'Désinscrire'
                 ])
             ];
@@ -711,23 +711,119 @@ class course extends common
      */
     public function usersDelete()
     {
-        // Accès refusé
+
+        // Contenu sélectionné
+        $courseId = $this->getUrl(2);
+
+        // Inscription des utilisateurs cochés
         if (
-            $this->getUser('permission', __CLASS__, __FUNCTION__) !== true
+            isset($_POST['courseUsersDeleteSubmit'])
         ) {
-            // Valeurs en sortie
-            $this->addOutput([
-                'access' => false
-            ]);
-        } else {
-            $this->setData(['enrolment', $this->getUrl(2), array()]);
-            // Valeurs en sortie
-            $this->addOutput([
-                'redirect' => helper::baseUrl() . 'course/user/' . $this->getUrl(2),
-                'notification' => helper::translate('Contenu réinitialisé'),
-                'state' => true
-            ]);
+            foreach ($_POST as $keyPost => $valuePost) {
+                // Exclure les variables post qui ne sont pas des userId et ne traiter que les non inscrits
+                if (
+                    $this->getData(['user', $keyPost]) !== null
+                    && $this->getData(['enrolment', $courseId, $keyPost]) !== null
+                ) {
+                    $this->deleteData(['enrolment', $courseId, $keyPost]);
+                }
+            }
         }
+
+        // Liste des groupes et des profils
+        $courseGroups = $this->getData(['profil']);
+        foreach ($courseGroups as $groupId => $groupValue) {
+            switch ($groupId) {
+                case "-1":
+                case "0":
+                    break;
+                case "3":
+                    self::$courseGroups['30'] = 'Administrateur';
+                    $profils['30'] = 0;
+                    break;
+                case "1":
+                case "2":
+                    foreach ($groupValue as $profilId => $profilValue) {
+                        if ($profilId) {
+                            self::$courseGroups[$groupId . $profilId] = sprintf(helper::translate('Groupe %s - Profil %s'), self::$groupPublics[$groupId], $profilValue['name']);
+                            $profils[$groupId . $profilId] = 0;
+                        }
+                    }
+            }
+        }
+
+        // Liste alphabétique
+        self::$alphabet = range('A', 'Z');
+        $alphabet = range('A', 'Z');
+        self::$alphabet = array_combine($alphabet, self::$alphabet);
+        self::$alphabet = array_merge(['all' => 'Tout'], self::$alphabet);
+
+        // Liste des inscrits dans le contenu sélectionné.
+        $users = $this->getData(['enrolment', $courseId]);
+
+        // Tri du tableau par défaut par $userId
+        ksort($users);
+
+        foreach ($users as $userId => $userValue) {
+
+            // Compte les rôles
+            $profils[$this->getData(['user', $userId, 'group']) . $this->getData(['user', $userId, 'profil'])]++;
+
+            // Filtres
+            if (
+                isset($_POST['courseFilterGroup'])
+                || isset($_POST['courseFilterFirstName'])
+                || isset($_POST['courseFilterLastName'])
+            ) {
+
+                // Groupe et profils
+                $group = (string) $this->getData(['user', $userId, 'group']);
+                $profil = (string) $this->getData(['user', $userId, 'profil']);
+                $firstName = $this->getData(['user', $userId, 'firstname']);
+                $lastName = $this->getData(['user', $userId, 'lastname']);
+                if (
+                    $this->getInput('courseFilterGroup', helper::FILTER_INT) > 0
+                    && $this->getInput('courseFilterGroup', helper::FILTER_STRING_SHORT) !== $group . $profil
+                )
+                    continue;
+                // Première lettre du prénom
+                if (
+                    $this->getInput('courseFilterFirstName', helper::FILTER_STRING_SHORT) !== 'all'
+                    && $this->getInput('courseFilterFirstName', helper::FILTER_STRING_SHORT) !== strtoupper(substr($firstName, 0, 1))
+                )
+                    continue;
+                // Première lettre du nom
+                if (
+                    $this->getInput('courseFilterLastName', helper::FILTER_STRING_SHORT) !== 'all'
+                    && $this->getInput('courseFilterLastName', helper::FILTER_STRING_SHORT) !== strtoupper(substr($lastName, 0, 1))
+                )
+                    continue;
+            }
+
+            // Construction du tableau
+            self::$courseUsers[] = [
+                $userId,
+                $this->getData(['user', $userId, 'firstname']),
+                $this->getData(['user', $userId, 'lastname']),
+                template::checkbox($userId, true, '', ['class' => 'checkboxSelect'])
+            ];
+
+        }
+
+        // Ajoute les effectifs aux profils du sélecteur
+        foreach (self::$courseGroups as $groupId => $groupValue) {
+            if ($groupId === 'all') {
+                self::$courseGroups['all'] = self::$courseGroups['all'] . ' (' . array_sum($profils) . ')';
+            } else {
+                self::$courseGroups[$groupId] = self::$courseGroups[$groupId] . ' (' . $profils[$groupId] . ')';
+            }
+        }
+
+        // Valeurs en sortie
+        $this->addOutput([
+            'title' => helper::translate('Désincription en masse'),
+            'view' => 'usersDelete'
+        ]);
     }
 
     /*
diff --git a/core/module/course/view/users/users.js.php b/core/module/course/view/users/users.js.php
index 7818d67..5d342e2 100644
--- a/core/module/course/view/users/users.js.php
+++ b/core/module/course/view/users/users.js.php
@@ -21,12 +21,6 @@ $(document).ready((function () {
             $(location).attr("href", _this.attr("href"))
         }))
     }));
-    $(".userDeleteAll").on("click", (function () {
-        var _this = $(this);
-        return message = "<?php echo helper::translate('Confirmer la désinscription de tous les utilisateur');?>", core.confirm(message, (function () {
-            $(location).attr("href", _this.attr("href"))
-        }))
-    }));
 
     $('#dataTables').DataTable({
         language: {
diff --git a/core/module/course/view/users/users.php b/core/module/course/view/users/users.php
index 638911d..177ffbf 100644
--- a/core/module/course/view/users/users.php
+++ b/core/module/course/view/users/users.php
@@ -17,8 +17,8 @@
         <?php echo template::button('userDeleteAll', [
             'class' => 'userDeleteAll buttonRed',
             'href' => helper::baseUrl() . 'course/usersDelete/' . $this->getUrl(2),
-            'value' => template::ico('trash'),
-            'help' => 'Désinscrire tous les utilisateurs',
+            'value' => template::ico('users'),
+            'help' => 'Désinscrire en masse',
         ])?>
     </div>
     <div class="col1">
@@ -26,7 +26,7 @@
             'class' => 'buttonGreen',
             'href' => helper::baseUrl() . 'course/usersAdd/' . $this->getUrl(2),
             'value' => template::ico('users'),
-            'help' => 'Inscription',
+            'help' => 'Inscription en masse',
         ]) ?>
     </div>
 </div>
diff --git a/core/module/course/view/usersDelete/usersDelete.css b/core/module/course/view/usersDelete/usersDelete.css
new file mode 100644
index 0000000..ec84629
--- /dev/null
+++ b/core/module/course/view/usersDelete/usersDelete.css
@@ -0,0 +1,18 @@
+/**
+ * This file is part of Zwii.
+ *
+ * For full copyright and license information, please see the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author Rémi Jean <remi.jean@outlook.com>
+ * @copyright Copyright (C) 2008-2018, Rémi Jean
+ * @author Frédéric Tempez <frederic.tempez@outlook.com>
+ * @copyright Copyright (C) 2018-2023, Frédéric Tempez
+ * @license CC Attribution-NonCommercial-NoDerivatives 4.0 International
+ * @link http://zwiicms.fr/
+ */
+
+
+/** NE PAS EFFACER
+* admin.css
+*/
\ No newline at end of file
diff --git a/core/module/course/view/usersDelete/usersDelete.js.php b/core/module/course/view/usersDelete/usersDelete.js.php
new file mode 100644
index 0000000..377a53b
--- /dev/null
+++ b/core/module/course/view/usersDelete/usersDelete.js.php
@@ -0,0 +1,86 @@
+/**
+ * This file is part of Zwii.
+ * For full copyright and license information, please see the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @author Rémi Jean <remi.jean@outlook.com>
+ * @copyright Copyright (C) 2008-2018, Rémi Jean
+ * @author Frédéric Tempez <frederic.tempez@outlook.com>
+ * @copyright Copyright (C) 2018-2023, Frédéric Tempez
+ * @license CC Attribution-NonCommercial-NoDerivatives 4.0 International
+ * @link http://zwiicms.fr/
+ */
+
+$(document).ready((function () {
+
+
+    $("#courseFilterGroup, #courseFilterFirstName, #courseFilterLastName").change(function () {
+        saveCheckboxState();
+        $("#courseUsersDeleteForm").submit();
+    });
+
+    var table = $('#dataTables').DataTable({
+        language: {
+            url: "core/vendor/datatables/french.json"
+        },
+        "columnDefs": [
+            {
+                target: 3,
+                orderable: false,
+                searchable: false,
+            }
+        ]
+    });
+
+    // Handle checkbox change event
+    $('.checkboxSelect').on('change', function () {
+        // Save checkbox state to cookies or local storage
+        saveCheckboxState();
+    });
+
+    // Handle checkbox state on DataTables draw event
+    table.on('draw', function () {
+        // Restore checkbox state from cookies or local storage
+        restoreCheckboxState();
+    });
+
+    // Empty local storage after submit
+    $("#courseUsersDeleteSubmit").on("click", function () {
+
+        localStorage.setItem('checkboxState', JSON.stringify({}));
+
+    });
+
+    // Restore checkbox state on page load
+    restoreCheckboxState();
+
+    function saveCheckboxState() {
+
+        // Récupérer d'abord les données existantes dans le localStorage
+        var existingData = JSON.parse(localStorage.getItem('checkboxState')) || {};
+
+        // Ajouter ou mettre à jour les données actuelles
+        $('.checkboxSelect').each(function () {
+            var checkboxId = $(this).attr('id');
+            var checked = $(this).prop('checked');
+            existingData[checkboxId] = checked;
+        });
+
+        // Sauvegarder les données mises à jour dans le localStorage
+        localStorage.setItem('checkboxState', JSON.stringify(existingData));
+    }
+
+    // Function to restore checkbox state
+    function restoreCheckboxState() {
+        var checkboxState = JSON.parse(localStorage.getItem('checkboxState')) || {};
+       // console.log(checkboxState);
+        for (var checkboxId in checkboxState) {
+            if (checkboxState.hasOwnProperty(checkboxId)) {
+                var checked = checkboxState[checkboxId];
+                // Update checkbox state based on stored information
+                $('#' + checkboxId).prop('checked', checked);
+            }
+        }
+    }
+
+}));
\ No newline at end of file
diff --git a/core/module/course/view/usersDelete/usersDelete.php b/core/module/course/view/usersDelete/usersDelete.php
new file mode 100644
index 0000000..228e431
--- /dev/null
+++ b/core/module/course/view/usersDelete/usersDelete.php
@@ -0,0 +1,42 @@
+<?php echo template::formOpen('courseUsersDeleteForm'); ?>
+<div class="row">
+    <div class="col1">
+        <?php echo template::button('courseUserAddBack', [
+            'class' => 'buttonGrey',
+            'href' => helper::baseUrl() . 'course/users/' . $this->getUrl(2),
+            'value' => template::ico('left')
+        ]); ?>
+    </div>
+</div>
+<div class="col2 offset10">
+        <?php echo template::submit('courseUsersDeleteSubmit', [
+            'class' => 'buttonRed',
+            'value' => 'Désinscrire'
+        ]); ?>
+    </div>
+<div class="row" id="Bfrtip">
+    <div class="col3">
+        <?php echo template::select('courseFilterGroup', $module::$courseGroups, [
+            'label' => 'Groupes / Profils',
+            'selected' => isset($_POST['courseFilterGroup']) ? $_POST['courseFilterGroup'] : 'all',
+        ]); ?>
+    </div>
+    <div class="col3">
+        <?php echo template::select('courseFilterFirstName', $module::$alphabet, [
+            'label' => 'Prénom commence par',
+            'selected' => isset($_POST['courseFilterFirstName']) ? $_POST['courseFilterFirstName'] : 'all',
+        ]); ?>
+    </div>
+    <div class="col3">
+        <?php echo template::select('courseFilterLastName', $module::$alphabet, [
+            'label' => 'Nom commence par',
+            'selected' => isset($_POST['courseFilterLastName']) ? $_POST['courseFilterLastName'] : 'all',
+        ]); ?>
+    </div>
+</div>
+<?php if ($module::$courseUsers): ?>
+    <?php echo template::table([4, 4, 4, 1], $module::$courseUsers, ['Id', 'Prénom',  'Nom', ''], ['id' => 'dataTables']); ?>
+<?php else: ?>
+    <?php echo template::speech('Aucun inscrit'); ?>
+<?php endif; ?>
+<?php echo template::formClose(); ?>
\ No newline at end of file