diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index f0e95c3efb7..2d48bc706ea 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -715,58 +715,62 @@ if ($action == 'export_fileconfirm' && $user->hasRight('accounting', 'mouvements
 			}
 		}
 
-		$mimetype = $accountancyexport->getMimeType($formatexportset);
-
-		top_httphead($mimetype, 1);
-
-		// Output data on screen
-		$accountancyexport->export($object->lines, $formatexportset);
-
 		$notifiedexportdate = GETPOST('notifiedexportdate', 'alpha');
 		$notifiedvalidationdate = GETPOST('notifiedvalidationdate', 'alpha');
+		$withAttachment = !empty(trim(GETPOST('notifiedexportfull', 'alphanohtml'))) ? 1 : 0;
 
-		if (!empty($accountancyexport->errors)) {
-			dol_print_error('', '', $accountancyexport->errors);
-		} elseif (!empty($notifiedexportdate) || !empty($notifiedvalidationdate)) {
-			// Specify as export : update field date_export or date_validated
-			$error = 0;
-			$db->begin();
+		// Output data on screen or download
+		$result = $accountancyexport->export($object->lines, $formatexportset, $withAttachment);
 
-			if (is_array($object->lines)) {
-				foreach ($object->lines as $movement) {
-					$now = dol_now();
+		$error = 0;
+		if ($result < 0) {
+			$error++;
+		} else {
+			if (!empty($notifiedexportdate) || !empty($notifiedvalidationdate)) {
+				if (is_array($object->lines)) {
+					// Specify as export : update field date_export or date_validated
+					$db->begin();
 
-					$sql = " UPDATE ".MAIN_DB_PREFIX."accounting_bookkeeping";
-					$sql .= " SET";
-					if (!empty($notifiedexportdate) && !empty($notifiedvalidationdate)) {
-						$sql .= " date_export = '".$db->idate($now)."'";
-						$sql .= ", date_validated = '".$db->idate($now)."'";
-					} elseif (!empty($notifiedexportdate)) {
-						$sql .= " date_export = '".$db->idate($now)."'";
-					} elseif (!empty($notifiedvalidationdate)) {
-						$sql .= " date_validated = '".$db->idate($now)."'";
+					foreach ($object->lines as $movement) {
+						$now = dol_now();
+
+						$sql = " UPDATE ".MAIN_DB_PREFIX."accounting_bookkeeping";
+						$sql .= " SET";
+						if (!empty($notifiedexportdate) && !empty($notifiedvalidationdate)) {
+							$sql .= " date_export = '".$db->idate($now)."'";
+							$sql .= ", date_validated = '".$db->idate($now)."'";
+						} elseif (!empty($notifiedexportdate)) {
+							$sql .= " date_export = '".$db->idate($now)."'";
+						} elseif (!empty($notifiedvalidationdate)) {
+							$sql .= " date_validated = '".$db->idate($now)."'";
+						}
+						$sql .= " WHERE rowid = ".((int) $movement->id);
+
+						dol_syslog("/accountancy/bookkeeping/list.php Function export_file Specify movements as exported", LOG_DEBUG);
+
+						$result = $db->query($sql);
+						if (!$result) {
+							$error++;
+							break;
+						}
 					}
-					$sql .= " WHERE rowid = ".((int) $movement->id);
 
-					dol_syslog("/accountancy/bookkeeping/list.php Function export_file Specify movements as exported", LOG_DEBUG);
-
-					$result = $db->query($sql);
-					if (!$result) {
+					if (!$error) {
+						$db->commit();
+					} else {
 						$error++;
-						break;
+						$accountancyexport->errors[] = $langs->trans('NotAllExportedMovementsCouldBeRecordedAsExportedOrValidated');
+						$db->rollback();
 					}
 				}
 			}
-
-			if (!$error) {
-				$db->commit();
-			} else {
-				$error++;
-				$db->rollback();
-				dol_print_error('', $langs->trans("NotAllExportedMovementsCouldBeRecordedAsExportedOrValidated"));
-			}
 		}
-		exit;
+
+		if ($error) {
+			setEventMessages('', $accountancyexport->errors, 'errors');
+			header('Location: '.$_SERVER['PHP_SELF']);
+		}
+		exit(); // download or show errors
 	}
 }
 
@@ -854,7 +858,17 @@ if ($action == 'export_file') {
 		$form_question['separator3'] = array('name'=>'separator3', 'type'=>'separator');
 	}
 
-	$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"].'?'.$param, $langs->trans("ExportFilteredList").' ('.$listofformat[$formatexportset].')', $langs->trans('ConfirmExportFile'), 'export_fileconfirm', $form_question, '', 1, 350, 600);
+	// add documents in an archive for accountancy export (Quadratus)
+	if(getDolGlobalString('ACCOUNTING_EXPORT_MODELCSV') == AccountancyExport::$EXPORT_TYPE_QUADRATUS) {
+		$form_question['notifiedexportfull'] = array(
+			'name' => 'notifiedexportfull',
+			'type' => 'checkbox',
+			'label' => $langs->trans('NotifiedExportFull'),
+			'value' => 'false',
+		);
+	}
+
+	$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"].'?'.$param, $langs->trans("ExportFilteredList").' ('.$listofformat[$formatexportset].')', $langs->trans('ConfirmExportFile'), 'export_fileconfirm', $form_question, '', 1, 400, 600);
 }
 
 //if ($action == 'delbookkeepingyear') {
diff --git a/htdocs/accountancy/class/accountancyexport.class.php b/htdocs/accountancy/class/accountancyexport.class.php
index 3c45315ffa9..76b6782c174 100644
--- a/htdocs/accountancy/class/accountancyexport.class.php
+++ b/htdocs/accountancy/class/accountancyexport.class.php
@@ -36,6 +36,7 @@
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/hookmanager.class.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
 
 /**
@@ -313,9 +314,10 @@ class AccountancyExport
 	 *
 	 * @param 	array	$TData 				Array with data
 	 * @param	int		$formatexportset	Id of export format
-	 * @return 	void
+	 * @param	int		$withAttachment		[=0] Not add files or 1 to have attached in an archive (ex : Quadratus)
+	 * @return 	int		<0 if KO, >0 OK
 	 */
-	public function export(&$TData, $formatexportset)
+	public function export(&$TData, $formatexportset, $withAttachment = 0)
 	{
 		global $conf, $langs;
 		global $search_date_end; // Used into /accountancy/tpl/export_journal.tpl.php
@@ -325,8 +327,44 @@ class AccountancyExport
 		$type_export = 'general_ledger';
 
 		global $db; // The tpl file use $db
+		$completefilename = '';
+		$exportFile = null;
+		$exportFileName = '';
+		$exportFilePath = '';
+		$archiveFileList = array();
+		if ($withAttachment == 1) {
+			// PHP ZIP extension must be enabled
+			if (!extension_loaded('zip')) {
+				$langs->load('install');
+				$this->errors[] = $langs->trans('ErrorPHPDoesNotSupport', 'ZIP');;
+				return -1;
+			}
+		} else {
+			$mimetype = $this->getMimeType($formatexportset);
+			top_httphead($mimetype, 1);
+		}
 		include DOL_DOCUMENT_ROOT.'/accountancy/tpl/export_journal.tpl.php';
+		if ($withAttachment == 1 && !empty($completefilename)) {
+			// create export file
+			$tmpDir = !empty($conf->accounting->multidir_temp[$conf->entity]) ? $conf->accounting->multidir_temp[$conf->entity] : $conf->accounting->dir_temp;
+			$exportFileFullName = $completefilename;
+			$exportFileBaseName = basename($exportFileFullName);
+			$exportFileName = pathinfo($exportFileBaseName, PATHINFO_FILENAME);
+			$exportFilePath = $tmpDir.'/'.$exportFileFullName;
+			$exportFile = fopen($exportFilePath, 'w');
+			if (!$exportFile) {
+				$this->errors[] = $langs->trans('ErrorFileNotFound', $exportFilePath);
+				return -1;
+			}
+			$archiveFileList[0] = array(
+				'path' => $exportFilePath,
+				'name' => $exportFileFullName,
+			);
 
+			// archive name and path
+			$archiveFullName = $exportFileName.'.zip';
+			$archivePath = $tmpDir.'/'.$archiveFullName;
+		}
 
 		switch ($formatexportset) {
 			case self::$EXPORT_TYPE_CONFIGURABLE:
@@ -345,7 +383,7 @@ class AccountancyExport
 				$this->exportCiel($TData);
 				break;
 			case self::$EXPORT_TYPE_QUADRATUS:
-				$this->exportQuadratus($TData);
+				$archiveFileList = $this->exportQuadratus($TData, $exportFile, $archiveFileList, $withAttachment);
 				break;
 			case self::$EXPORT_TYPE_WINFIC:
 				$this->exportWinfic($TData);
@@ -399,6 +437,69 @@ class AccountancyExport
 				}
 				break;
 		}
+
+		// create and download export file or archive
+		if ($withAttachment == 1) {
+			$error = 0;
+
+			// close export file
+			if ($exportFile) {
+				fclose($exportFile);
+			}
+
+			if (!empty($archiveFullName) && !empty($archivePath) && !empty($archiveFileList)) {
+				// archive files
+				$downloadFileMimeType = 'application/zip';
+				$downloadFileFullName = $archiveFullName;
+				$downloadFilePath = $archivePath;
+
+				// create archive
+				$archive = new ZipArchive();
+				$res = $archive->open($archivePath, ZipArchive::OVERWRITE | ZipArchive::CREATE);
+				if ($res !== true) {
+					$error++;
+					$this->errors[] = $langs->trans('ErrorFileNotFound', $archivePath);
+				}
+				if (!$error) {
+					// add files
+					foreach ($archiveFileList as $archiveFileArr) {
+						$res = $archive->addFile($archiveFileArr['path'], $archiveFileArr['name']);
+						if (!$res) {
+							$error++;
+							$this->errors[] = $langs->trans('ErrorArchiveAddFile', $archiveFileArr['name']);
+							break;
+						}
+					}
+				}
+				if (!$error) {
+					// close archive
+					$archive->close();
+				}
+			} elseif (!empty($exportFileFullName) && !empty($exportFilePath)) {
+				// only one file to download
+				$downloadFileMimeType = 'text/csv';
+				$downloadFileFullName = $exportFileFullName;
+				$downloadFilePath = $exportFilePath;
+			}
+
+			if (!$error) {
+				// download export file
+				if (!empty($downloadFileMimeType) && !empty($downloadFileFullName) && !empty($downloadFilePath)) {
+					header('Content-Type: '.$downloadFileMimeType);
+					header('Content-Disposition: attachment; filename='.$downloadFileFullName);
+					header('Cache-Control: Public, must-revalidate');
+					header('Pragma: public');
+					header('Content-Length: '.dol_filesize($downloadFilePath));
+					readfileLowMemory($downloadFilePath);
+				}
+			}
+
+			if ($error) {
+				return -1;
+			}
+		}
+
+		return 1;
 	}
 
 
@@ -584,10 +685,13 @@ class AccountancyExport
 	 * Help : https://docplayer.fr/20769649-Fichier-d-entree-ascii-dans-quadracompta.html
 	 * In QuadraCompta | Use menu : "Outils" > "Suivi des dossiers" > "Import ASCII(Compta)"
 	 *
-	 * @param array $TData data
-	 * @return void
+	 * @param 	array		$TData					Data
+	 * @param 	resource	$exportFile				[=null] File resource to export or print if null
+	 * @param 	array		$archiveFileList		[=array()] Archive file list : array of ['path', 'name']
+	 * @param 	bool		$withAttachment			[=0] Not add files or 1 to have attached in an archive
+	 * @return	array		Archive file list : array of ['path', 'name']
 	 */
-	public function exportQuadratus(&$TData)
+	public function exportQuadratus(&$TData, $exportFile = null, $archiveFileList = array(), $withAttachment = 0)
 	{
 		global $conf, $db;
 
@@ -637,7 +741,11 @@ class AccountancyExport
 
 				$Tab['end_line'] = $end_line;
 
-				print implode($Tab);
+				if ($exportFile) {
+					fwrite($exportFile, implode($Tab));
+				} else {
+					print implode($Tab);
+				}
 			}
 
 			$Tab = array();
@@ -708,12 +816,63 @@ class AccountancyExport
 			// We need to keep the 10 lastest number of invoice doc_ref not the beginning part that is the unusefull almost same part
 			// $Tab['num_piece3'] = str_pad(self::trunc($data->piece_num, 10), 10);
 			$Tab['num_piece3'] = substr(self::trunc($data->doc_ref, 20), -10);
-			$Tab['filler4'] = str_repeat(' ', 73);
+			$Tab['reserved'] = str_repeat(' ', 10); // position 159
+			$Tab['currency_amount'] = str_repeat(' ', 13); // position 169
+			// get document file
+			$attachmentFileName = '';
+			if ($withAttachment == 1) {
+				$attachmentFileKey = trim($data->piece_num);
 
+				if (!isset($archiveFileList[$attachmentFileKey])) {
+					$objectDirPath = '';
+					$objectFileName = dol_sanitizeFileName($data->doc_ref);
+					if ($data->doc_type == 'customer_invoice') {
+						$objectDirPath = !empty($conf->facture->multidir_output[$conf->entity]) ? $conf->facture->multidir_output[$conf->entity] : $conf->facture->dir_output;
+					} elseif ($data->doc_type == 'expense_report') {
+						$objectDirPath = !empty($conf->expensereport->multidir_output[$conf->entity]) ? $conf->expensereport->multidir_output[$conf->entity] : $conf->factureexpensereport->dir_output;
+					} elseif ($data->doc_type == 'supplier_invoice') {
+						$objectDirPath = !empty($conf->fournisseur->facture->multidir_output[$conf->entity]) ? $conf->fournisseur->facture->multidir_output[$conf->entity] : $conf->fournisseur->facture->dir_output;
+					}
+					$arrayofinclusion = array();
+					$arrayofinclusion[] = '^'.preg_quote($objectFileName, '/').'\.pdf$';
+					$fileFoundList = dol_dir_list($objectDirPath.'/'.$objectFileName, 'files', 0, implode('|', $arrayofinclusion), '(\.meta|_preview.*\.png)$', 'date', SORT_DESC, 0, true);
+					if (!empty($fileFoundList)) {
+						$attachmentFileNameTrunc = str_pad(self::trunc($data->piece_num, 8), 8, '0', STR_PAD_LEFT);
+						foreach ($fileFoundList as $fileFound) {
+							if (strstr($fileFound['name'], $objectFileName)) {
+								$fileFoundPath = $objectDirPath.'/'.$objectFileName.'/'.$fileFound['name'];
+								if (file_exists($fileFoundPath)) {
+									$archiveFileList[$attachmentFileKey] = array(
+										'path' => $fileFoundPath,
+										'name' => $attachmentFileNameTrunc.'.pdf',
+									);
+									break;
+								}
+							}
+						}
+					}
+				}
+
+				if (isset($archiveFileList[$attachmentFileKey])) {
+					$attachmentFileName = $archiveFileList[$attachmentFileKey]['name'];
+				}
+			}
+			if (dol_strlen($attachmentFileName) == 12) {
+				$Tab['attachment'] = $attachmentFileName; // position 182
+			} else {
+				$Tab['attachment'] = str_repeat(' ', 12); // position 182
+			}
+			$Tab['filler4'] = str_repeat(' ', 38);
 			$Tab['end_line'] = $end_line;
 
-			print implode($Tab);
+			if ($exportFile) {
+				fwrite($exportFile, implode($Tab));
+			} else {
+				print implode($Tab);
+			}
 		}
+
+		return $archiveFileList;
 	}
 
 	/**
diff --git a/htdocs/accountancy/tpl/export_journal.tpl.php b/htdocs/accountancy/tpl/export_journal.tpl.php
index 22537a60a39..833b81fc8c0 100644
--- a/htdocs/accountancy/tpl/export_journal.tpl.php
+++ b/htdocs/accountancy/tpl/export_journal.tpl.php
@@ -33,7 +33,9 @@ $siren = getDolGlobalString('MAIN_INFO_SIREN');
 $date_export = "_".dol_print_date(dol_now(), '%Y%m%d%H%M%S');
 $endaccountingperiod = dol_print_date(dol_now(), '%Y%m%d');
 
-header('Content-Type: text/csv');
+if (!isset($withAttachments) || $withAttachments == 1) {
+	header('Content-Type: text/csv');
+}
 
 include_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountancyexport.class.php';
 $accountancyexport = new AccountancyExport($db);
@@ -66,4 +68,6 @@ if (($accountancyexport->getFormatCode($formatexportset) == 'fec' || $accountanc
 	$completefilename = ($code ? $code."_" : "").($prefix ? $prefix."_" : "").$filename.($nodateexport ? "" : $date_export).".".$format;
 }
 
-header('Content-Disposition: attachment;filename='.$completefilename);
+if (!isset($withAttachments) || $withAttachments == 1) {
+	header('Content-Disposition: attachment;filename=' . $completefilename);
+}
diff --git a/htdocs/langs/en_US/accountancy.lang b/htdocs/langs/en_US/accountancy.lang
index e988764d8ba..5ea3c692aee 100644
--- a/htdocs/langs/en_US/accountancy.lang
+++ b/htdocs/langs/en_US/accountancy.lang
@@ -342,6 +342,7 @@ ACCOUNTING_ENABLE_LETTERING=Enable the lettering function in the accounting
 NotExportLettering=Do not export the lettering when generating the file
 NotifiedExportDate=Flag exported lines as Exported <span class="warning">(to modify a line, you will need to delete the whole transaction and re-transfert it into accounting)</span>
 NotifiedValidationDate=Validate and Lock the exported entries <span class="warning">(same effect than the "%s" feature, modification and deletion of the lines will DEFINITELY not be possible)</span>
+NotifiedExportFull=Export documents ?
 DateValidationAndLock=Date validation and lock
 ConfirmExportFile=Confirmation of the generation of the accounting export file ?
 ExportDraftJournal=Export draft journal
@@ -442,6 +443,7 @@ AccountancyErrorMismatchLetterCode=Mismatch in reconcile code
 AccountancyErrorMismatchBalanceAmount=The balance (%s) is not equal to 0
 AccountancyErrorLetteringBookkeeping=Errors have occurred concerning the transactions: %s
 ErrorAccountNumberAlreadyExists=The accounting number %s already exists
+ErrorArchiveAddFile=Can't put "%s" file in archive
 
 ## Import
 ImportAccountingEntries=Accounting entries
diff --git a/htdocs/langs/fr_FR/accountancy.lang b/htdocs/langs/fr_FR/accountancy.lang
index 53edef4c0a1..0d2b7bb69a2 100644
--- a/htdocs/langs/fr_FR/accountancy.lang
+++ b/htdocs/langs/fr_FR/accountancy.lang
@@ -337,6 +337,7 @@ ACCOUNTING_DISABLE_BINDING_ON_EXPENSEREPORTS=Désactiver la liaison et le transf
 ## Export
 NotifiedExportDate=Marquer les lignes exportées comme Exportées <span class="warning"> (pour modifier une ligne, vous devrez supprimer toute la transaction et la retransférer en comptabilité) </span>
 NotifiedValidationDate=Validez et verrouillez les entrées exportées <span class="warning"> (même effet que la fonctionnalité "%s", la modification et la suppression des lignes ne seront définitivement plus possibles) </span>
+NotifiedExportFull=Exporter les pièces ?
 DateValidationAndLock=Validation et verrouillage de la date
 ConfirmExportFile=Confirmation de la génération du fichier d'export comptable ?
 ExportDraftJournal=Exporter le journal brouillon
@@ -437,6 +438,7 @@ AccountancyErrorMismatchLetterCode=Non-concordance dans le code de réconciliati
 AccountancyErrorMismatchBalanceAmount=Le solde (%s) n'est pas égal à 0
 AccountancyErrorLetteringBookkeeping=Des erreurs sont survenues concernant les transactions : %s
 ErrorAccountNumberAlreadyExists=Le code comptable %s existe déjà
+ErrorArchiveAddFile=Impossible d'ajouter le fichier "%s" dans l'archive
 
 ## Import
 ImportAccountingEntries=Écritures comptables