diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index bbb0f2472..fc7d35504 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -1219,6 +1219,13 @@ abstract class cmdbAbstractObject extends CMDBObject implements iDisplay
 								$aRow[] = '<td>'.date('H:i:s', $iDate).'</td>';								
 							}
 						}
+						else if($oAttDef instanceof AttributeCaseLog)
+						{
+							$rawValue = $oObj->Get($sAttCodeEx);
+							$outputValue = str_replace("\n", "<br/>", htmlentities($rawValue->__toString(), ENT_QUOTES, 'UTF-8'));
+							// Trick for Excel: treat the content as text even if it begins with an equal sign
+							$aRow[] = '<td x:str>'.$outputValue.'</td>';
+						}
 						else
 						{
 							$rawValue = $oObj->Get($sAttCodeEx);
diff --git a/webservices/export.php b/webservices/export.php
index 14faa9bd5..5ca52e41c 100644
--- a/webservices/export.php
+++ b/webservices/export.php
@@ -237,6 +237,7 @@ if (!empty($sExpression))
 				header("Cache-control:", true);
 
 				$sFields = implode(',', $aFields);
+				$oP->add_style('table br {mso-data-placement:same-cell;}'); // Trick for Excel: keep line breaks inside the same cell !
 				cmdbAbstractObject::DisplaySetAsHTMLSpreadsheet($oP, $oSet, array('fields' => $sFields, 'fields_advanced' => $bFieldsAdvanced, 'localize_values' => $bLocalize));
 				break;