diff --git a/html/do.php b/html/do.php
index 1bd08fb08..54959adf3 100644
--- a/html/do.php
+++ b/html/do.php
@@ -81,6 +81,9 @@ if ( isset ($_POST['set_preference'])) {
     $p_email=$http->post("p_email","string","");
     $minirap=$http->post("minirap","number",0);
     $period=$http->post("period","number");
+    $csv_fieldsep=$http->post("csv_fieldsep","number");
+    $csv_decimal=$http->post("csv_decimal","number");
+    $csv_encoding=$http->post("csv_encoding");
     
     if (strlen(trim($pass_1)) != 0 && strlen(trim($pass_2)) != 0)
     {
@@ -91,6 +94,10 @@ if ( isset ($_POST['set_preference'])) {
     $g_user->save_global_preference('THEME', $style_user);
     $g_user->save_global_preference('LANG', $lang);
     $g_user->save_global_preference('PAGESIZE', $p_size);
+    $g_user->save_global_preference('csv_fieldsep', $csv_fieldsep);
+    $g_user->save_global_preference('csv_decimal', $csv_decimal);
+    $g_user->save_global_preference('csv_encoding', $csv_encoding);
+    
     $g_user->set_mini_report($minirap);
     $_SESSION['g_theme']=$style_user;
     $_SESSION['g_pagesize']=$p_size;
diff --git a/include/ajax/ajax_preference.php b/include/ajax/ajax_preference.php
index 4505aaa31..1b92a860f 100644
--- a/include/ajax/ajax_preference.php
+++ b/include/ajax/ajax_preference.php
@@ -100,7 +100,7 @@ if (isset($_REQUEST['gDossier']) && $_REQUEST['gDossier']<>0)
 		    if ($l_user_per == "")
 			$l_user_per = $cn->get_value("select min(p_id) from parm_periode where p_closed='f'");
 
-// if periode is closed then warns the users
+                    // if periode is closed then warns the users
 		    $period = new Periode($cn, $l_user_per);
 
 		    $period->p_id = $l_user_per;
@@ -148,6 +148,68 @@ if (isset($_REQUEST['gDossier']) && $_REQUEST['gDossier']<>0)
 		?>
 	    </table>
 	</fieldset>
+        <fieldset>
+            <legend><?=_("Format Export CSV")?></legend>
+            <p>
+                <?php 
+                if ( $_SESSION['csv_fieldsep']==1 && $_SESSION['csv_decimal']==1)
+                {
+                 echo_warning(_("N'utilisez pas le même séparateur pour les champs et les décimales"));
+                }
+                ?>
+            </p>
+            <table>
+                <tr>
+                    <td>
+                        <?=_("Séparateur de champs")?>
+                    </td>
+                    <td>
+                        <?php
+                            $csv_fieldsep=new ISelect('csv_fieldsep');
+                            $csv_fieldsep->value=[
+                                ["label"=>_("Point-virgule"),"value"=>0],
+                                ["label"=>_("virgule"),"value"=>1]
+                            ];
+                            $csv_fieldsep->selected=$_SESSION['csv_fieldsep'];
+                            echo $csv_fieldsep->input();
+                        ?>
+                    </td>
+                </tr>
+                <tr>
+                    <td>
+                        <?=_("Séparateur Décimale")?>
+                    </td>
+                    <td>
+                        <?php
+                            $csv_decimal=new ISelect('csv_decimal');
+                            $csv_decimal->value=[
+                                ["label"=>_("point"),"value"=>0],
+                                ["label"=>_("virgule"),"value"=>1]
+                            ];
+                            $csv_decimal->selected=$_SESSION['csv_decimal'];
+                            echo $csv_decimal->input();
+                        ?>
+                    </td>
+                </tr>
+                <tr>
+                    <td>
+                        <?=_("Encodage")?>
+                    </td>
+                    <td>
+                        <?php
+                            $csv_encoding=new ISelect('csv_encoding');
+                            $csv_encoding->value=[
+                                ["label"=>_("utf8"),"value"=>'utf8'],
+                                ["label"=>_("latin1"),"value"=>'latin1']
+                            ];
+                            $csv_encoding->selected=$_SESSION['csv_encoding'];
+                            echo $csv_encoding->input();
+                        ?>
+                    </td>
+                </tr>
+            </table>
+                
+        </fieldset>
 	<?php
 	if ($inside_dossier)
 	{
diff --git a/include/class/user.class.php b/include/class/user.class.php
index 3d5e43b9d..4849af92e 100644
--- a/include/class/user.class.php
+++ b/include/class/user.class.php
@@ -631,7 +631,14 @@ class User
 			;
 		}
 		// save array into g_ variable
-		$array_pref = array('g_theme' => 'THEME', 'g_pagesize' => 'PAGESIZE', 'g_topmenu' => 'TOPMENU', 'g_lang' => 'LANG');
+		$array_pref = array('g_theme' => 'THEME', 
+                    'g_pagesize' => 'PAGESIZE', 
+                    'g_topmenu' => 'TOPMENU', 
+                    'g_lang' => 'LANG',
+                    'csv_fieldsep'=>'csv_fieldsep',
+                    'csv_decimal'=>'csv_decimal' ,
+                    'csv_encoding'=>'csv_encoding');
+                
 		foreach ($array_pref as $name => $parameter)
 		{
 			if (!isset($line[$parameter]))
@@ -659,7 +666,11 @@ class User
 		$default_parameter = array("THEME" => "classic",
 			"PAGESIZE" => "50",
 			'TOPMENU' => 'TEXT',
-			'LANG' => 'fr_FR.utf8');
+			'LANG' => 'fr_FR.utf8',
+                        'csv_fieldsep'=>'0',
+                        'csv_decimal'=>'0',
+                        'csv_encoding'=>'utf8'
+                    );
 		$cn = new Database();
 		$Sql = "insert into user_global_pref(user_id,parameter_type,parameter_value)
              values ('%s','%s','%s')";
@@ -692,7 +703,11 @@ class User
 		$default_parameter = array("THEME" => "classic",
 			"PAGESIZE" => "50",
 			"LANG" => 'fr_FR.utf8',
-			'TOPMENU' => 'SELECT');
+			'TOPMENU' => 'SELECT',
+                        'csv_fieldsep'=>'0',
+                        'csv_decimal'=>'0',
+                        'csv_encoding'=>'utf8'
+                    );
 		$cn = new Database();
 		$Sql = "update user_global_pref set parameter_value=$1
              where parameter_type=$2 and
diff --git a/include/export/export_histo_csv.php b/include/export/export_histo_csv.php
index 4e954f42a..847ceaebe 100644
--- a/include/export/export_histo_csv.php
+++ b/include/export/export_histo_csv.php
@@ -24,8 +24,9 @@
  */
 if ( ! defined ('ALLOWED') ) die('Appel direct ne sont pas permis');
 require_once NOALYSS_INCLUDE.'/lib/noalyss_csv.class.php';
+require_once NOALYSS_INCLUDE.'/class/acc_ledger_search.class.php';
 
-$ledger=new Acc_Ledger($cn,0);
+$ledger=new Acc_Ledger_Search($cn,0);
 list($sql,$where)=$ledger->build_search_sql($_GET);
 
 $order=" order by jr_date_order asc,substring(jr_pj_number,'[0-9]+$')::numeric asc ";
diff --git a/include/lib/database.class.php b/include/lib/database.class.php
index 035199552..393b6dc04 100644
--- a/include/lib/database.class.php
+++ b/include/lib/database.class.php
@@ -1085,32 +1085,31 @@ class Database
      */
     function query_to_csv($ret, $aheader)
     {
-        $seq="";
+        $csv=new Noalyss_Csv("db-query");
+        $a_header=[];
         for ($i=0; $i<count($aheader); $i++)
         {
-            echo $seq.'"'.$aheader[$i]['title'].'"';
-            $seq=";";
+            $a_header[]=$aheader[$i]['title'];
         }
-        printf("\n\r");
+        $csv->write_header($a_header);
+        
         // fetch all the rows
         for ($i=0; $i<Database::num_row($ret); $i++)
         {
             $row=Database::fetch_array($ret, $i);
-            $sep2="";
             // for each rows, for each value
             for ($e=0; $e<count($row)/2; $e++)
             {
                 switch ($aheader[$e]['type'])
                 {
                     case 'num':
-                        echo $sep2.nb($row[$e]);
+                        $csv->add($row[$e],"number");
                         break;
                     default:
-                        echo $sep2.'"'.$row[$e].'"';
+                        $csv->add($row[$e]);
                 }
-                $sep2=";";
             }
-            printf("\n\r");
+            $csv->write();
         }
     }
     /**
diff --git a/include/lib/noalyss_csv.class.php b/include/lib/noalyss_csv.class.php
index 86bf593c9..11df7606f 100644
--- a/include/lib/noalyss_csv.class.php
+++ b/include/lib/noalyss_csv.class.php
@@ -35,12 +35,22 @@ class Noalyss_Csv
 
     private $filename;
     private $element;
+    private $sep_field;
+    private $sep_dec;
+    private $encoding;
 
     function __construct($p_filename)
     {
         $this->filename=$p_filename;
         $this->element=array();
         $this->size=0;
+     
+        $a_field=[';',','];
+        $this->sep_field=$a_field[$_SESSION['csv_fieldsep']];
+        $a_field=['.',','];
+        $this->sep_dec=$a_field[$_SESSION['csv_decimal']];
+        $this->encoding=$_SESSION['csv_encoding'];
+    
     }
 
     /***
@@ -91,8 +101,9 @@ class Noalyss_Csv
         $sep="";
         for ($i=0; $i<$size_array; $i++)
         {
-                printf($sep.'"%s"', $p_array[$i]);
-            $sep=";";
+            
+            printf($sep.'"%s"', $this->encode($p_array[$i]));
+            $sep=$this->sep_field;
         }
         printf("\r\n");
     }
@@ -127,7 +138,7 @@ class Noalyss_Csv
         {
             if ($this->element[$i]['type'] == 'number' )
             {
-                printf($sep.'%s', nb($this->element[$i]['value']));
+                printf($sep.'%s', $this->nb($this->element[$i]['value']));
             }
             else
             {
@@ -136,9 +147,9 @@ class Noalyss_Csv
                 $export=str_replace("\r"," ", $export);
                 // remove double quote
                 $export=str_replace('"',"", $export);
-                printf($sep.'"%s"', $export);
+                printf($sep.'"%s"', $this->encode($export));
             }
-            $sep=";";
+            $sep=$this->sep_field;
         }
         printf("\r\n");
         $this->clean();
@@ -151,5 +162,23 @@ class Noalyss_Csv
         $this->element=array();
         $this->size=0;
     }
+    /**
+    * format the number for the CSV export
+    * @param $p_number number
+    */
+   private function nb($p_number)
+   {
+       $p_number=trim($p_number);
+       if ($p_number=="") {return $p_number;}
+       $r=number_format($p_number, 4, $this->sep_dec,'');
+       return $r;
+   }
+   private function encode($str)
+   {
+       if ($this->encoding=="utf8") return $str;
+       if ($this->encoding=="latin1") return utf8_decode ($str);
+       throw new Exception(_("Encodage invalide"));
+   }
+            
 
 }