diff --git a/appinfo/routes.php b/appinfo/routes.php
index 7f79fbf4..931cd368 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -31,7 +31,8 @@ return [
         ['name' => 'utils#setAllowAnonymousCreation', 'url' => '/setAllowAnonymousCreation', 'verb' => 'POST'],
         ['name' => 'page#getUserList', 'url' => '/getUserList', 'verb' => 'POST'],
         ['name' => 'page#addUserShare', 'url' => '/addUserShare', 'verb' => 'POST'],
-        ['name' => 'page#getPublicShare', 'url' => '/getPublicShare', 'verb' => 'POST'],
+        ['name' => 'page#getPublicFileShare', 'url' => '/getPublicFileShare', 'verb' => 'POST'],
+        ['name' => 'page#importCsvProject', 'url' => '/importCsvProject', 'verb' => 'POST'],
         ['name' => 'page#deleteUserShare', 'url' => '/deleteUserShare', 'verb' => 'POST'],
         ['name' => 'page#webGetProjects', 'url' => 'getProjects', 'verb' => 'POST'],
         ['name' => 'page#webCreateProject', 'url' => 'createProject', 'verb' => 'POST'],
diff --git a/controller/pagecontroller.php b/controller/pagecontroller.php
index 44611afe..32355c61 100644
--- a/controller/pagecontroller.php
+++ b/controller/pagecontroller.php
@@ -2027,7 +2027,7 @@ class PageController extends Controller {
     /**
      * @NoAdminRequired
      */
-    public function getPublicShare($path) {
+    public function getPublicFileShare($path) {
         $cleanPath = str_replace(array('../', '..\\'), '',  $path);
         $userFolder = \OC::$server->getUserFolder();
         if ($userFolder->nodeExists($cleanPath)) {
@@ -2069,4 +2069,152 @@ class PageController extends Controller {
         return $response;
     }
 
+    /**
+     * @NoAdminRequired
+     */
+    public function importCsvProject($path) {
+        $cleanPath = str_replace(array('../', '..\\'), '',  $path);
+        $userFolder = \OC::$server->getUserFolder();
+        if ($userFolder->nodeExists($cleanPath)) {
+            $file = $userFolder->get($cleanPath);
+            if ($file->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
+                if (($handle = $file->fopen('r')) !== false) {
+                    $columns = [];
+                    $membersWeight = [];
+                    $bills = [];
+                    $row = 0;
+                    while (($data = fgetcsv($handle, 1000, ',')) !== false) {
+                        // first line : get column order
+                        if ($row === 0) {
+                            $nbCol = count($data);
+                            if ($nbCol !== 6) {
+                                fclose($handle);
+                                $response = new DataResponse(['message'=>'Malformed CSV, bad column number'], 401);
+                                return $response;
+                            }
+                            else {
+                                for ($c=0; $c < $nbCol; $c++) {
+                                    $columns[$data[$c]] = $c;
+                                }
+                            }
+                            if (!array_key_exists('what', $columns) or
+                                !array_key_exists('amount', $columns) or
+                                !array_key_exists('date', $columns) or
+                                !array_key_exists('payer_name', $columns) or
+                                !array_key_exists('payer_weight', $columns) or
+                                !array_key_exists('owers', $columns)
+                            ) {
+                                fclose($handle);
+                                $response = new DataResponse(['message'=>'Malformed CSV, bad column names'], 401);
+                                return $response;
+                            }
+                        }
+                        // normal line : bill
+                        else {
+                            $what = $data[$columns['what']];
+                            $amount = $data[$columns['amount']];
+                            $date = $data[$columns['date']];
+                            $payer_name = $data[$columns['payer_name']];
+                            $payer_weight = $data[$columns['payer_weight']];
+                            $owers = $data[$columns['owers']];
+
+                            // manage members
+                            if (is_numeric($payer_weight)) {
+                                $membersWeight[$payer_name] = floatval($payer_weight);
+                            }
+                            else {
+                                fclose($handle);
+                                $response = new DataResponse(['message'=>'Malformed CSV, bad payer weight on line '.$row], 401);
+                                return $response;
+                            }
+                            if (strlen($owers) === 0) {
+                                fclose($handle);
+                                $response = new DataResponse(['message'=>'Malformed CSV, bad owers on line '.$row], 401);
+                                return $response;
+                            }
+                            $owersArray = explode(', ', $owers);
+                            foreach ($owersArray as $ower) {
+                                if (strlen($ower) === 0) {
+                                    fclose($handle);
+                                    $response = new DataResponse(['message'=>'Malformed CSV, bad owers on line '.$row], 401);
+                                    return $response;
+                                }
+                                if (!array_key_exists($ower, $membersWeight)) {
+                                    $membersWeight[$ower] = 1.0;
+                                }
+                            }
+                            if (!is_numeric($amount)) {
+                                fclose($handle);
+                                $response = new DataResponse(['message'=>'Malformed CSV, bad amount on line '.$row], 401);
+                                return $response;
+                            }
+                            array_push($bills,
+                                [
+                                    'what'=>$what,
+                                    'date'=>$date,
+                                    'amount'=>$amount,
+                                    'payer_name'=>$payer_name,
+                                    'owers'=>$owersArray,
+                                ]
+                            );
+                        }
+                        $row++;
+                    }
+                    fclose($handle);
+
+                    $memberNameToId = [];
+
+                    // add project
+                    $user = $this->userManager->get($this->userId);
+                    $userEmail = $user->getEMailAddress();
+                    $projectid = str_replace('.csv', '', $file->getName());
+                    $projectName = $projectid;
+                    $projResult = $this->createProject($projectName, $projectid, 'password', $userEmail, $this->userId);
+                    if ($projResult->getStatus() !== 200) {
+                        $response = new DataResponse(['message'=>'Error in project creation'], 401);
+                        return $response;
+                    }
+                    // add members
+                    foreach ($membersWeight as $memberName => $weight) {
+                        $addMemberResult =  $this->addMember($projectid, $memberName, $weight);
+                        if ($addMemberResult->getStatus() !== 200) {
+                            $response = new DataResponse(['message'=>'Error when adding member '.$memberName], 401);
+                            return $response;
+                        }
+                        $data = $addMemberResult->getData();
+                        $memberId = $data;
+
+                        $memberNameToId[$memberName] = $memberId;
+                    }
+                    // add bills
+                    foreach ($bills as $bill) {
+                        $payerId = $memberNameToId[$bill['payer_name']];
+                        $owerIds = [];
+                        foreach ($bill['owers'] as $owerName) {
+                            array_push($owerIds, $memberNameToId[$owerName]);
+                        }
+                        $owerIdsStr = implode(',', $owerIds);
+                        $addBillResult = $this->addBill($projectid, $bill['date'], $bill['what'], $payerId, $owerIdsStr, $bill['amount']);
+                        if ($addBillResult->getStatus() !== 200) {
+                            $response = new DataResponse(['message'=>'Error when adding bill '.$bill['what']], 401);
+                            return $response;
+                        }
+                    }
+                    $response = new DataResponse($projectid);
+                }
+                else {
+                    $response = new DataResponse(['message'=>'Access denied'], 403);
+                }
+            }
+            else {
+                $response = new DataResponse(['message'=>'Access denied'], 403);
+            }
+        }
+        else {
+            $response = new DataResponse(['message'=>'Access denied'], 403);
+        }
+
+        return $response;
+    }
+
 }
diff --git a/js/cospend.js b/js/cospend.js
index 25e56270..1d886f46 100644
--- a/js/cospend.js
+++ b/js/cospend.js
@@ -602,6 +602,11 @@
             }
         }).done(function (response) {
             if (!cospend.pageIsPublic) {
+                $('.projectitem').remove();
+                $('#bill-list').html('');
+                cospend.bills = {};
+                cospend.members = {};
+                cospend.projects = {};
                 for (var i = 0; i < response.length; i++) {
                     addProject(response[i]);
                 }
@@ -1518,7 +1523,7 @@
         var req = {
             path: targetPath
         };
-        var url = OC.generateUrl('/apps/cospend/getPublicShare');
+        var url = OC.generateUrl('/apps/cospend/getPublicFileShare');
         $.ajax({
             type: 'POST',
             url: url,
@@ -1540,6 +1545,31 @@
         });
     }
 
+    function importProject(targetPath) {
+        if (!endsWith(targetPath, '.csv')) {
+            OC.Notification.showTemporary(t('cospend', 'Only CSV files can be imported'));
+            return;
+        }
+        $('#addFileLinkButton').addClass('icon-loading-small');
+        var req = {
+            path: targetPath
+        };
+        var url = OC.generateUrl('/apps/cospend/importCsvProject');
+        $.ajax({
+            type: 'POST',
+            url: url,
+            data: req,
+            async: true
+        }).done(function (response) {
+            $('#addFileLinkButton').removeClass('icon-loading-small');
+            getProjects();
+        }).always(function() {
+        }).fail(function(response) {
+            $('#addFileLinkButton').removeClass('icon-loading-small');
+            OC.Notification.showTemporary(t('cospend', 'Failed to import project file') + ' ' + response.responseText);
+        });
+    }
+
     $(document).ready(function() {
         cospend.pageIsPublic = (document.URL.indexOf('/cospend/project') !== -1);
         if ( !cospend.pageIsPublic ) {
@@ -1548,6 +1578,7 @@
         else {
             //restoreOptionsFromUrlParams();
             $('#newprojectbutton').hide();
+            $('#importProjectButton').hide();
             cospend.projectid = $('#projectid').text();
             cospend.password = $('#password').text();
             cospend.restoredSelectedProjectId = cospend.projectid;
@@ -2004,6 +2035,16 @@
               );
         });
 
+        $('body').on('click', '#importProjectButton', function() {
+            OC.dialogs.filepicker(
+                  t('cospend', 'Choose csv project file'),
+                  function(targetPath) {
+                      importProject(targetPath);
+                  },
+                  false, null, true
+              );
+        });
+
         // last thing to do : get the projects
         getProjects();
     }
diff --git a/templates/mainnavigation.php b/templates/mainnavigation.php
index 1a2f1287..8ea3444b 100644
--- a/templates/mainnavigation.php
+++ b/templates/mainnavigation.php
@@ -49,6 +49,9 @@
         <button id="generalGuestLinkButton" class="icon-clippy" >
             <?php p($l->t('Guest access link')); ?>
         </button>
+        <button id="importProjectButton" class="icon-download" >
+            <?php p($l->t('Import csv project file')); ?>
+        </button>
     </div>
 </div>
 <p id="projectid"><?php p($_['projectid']); ?></p>