diff --git a/Classes/PHPExcel/Style/Borders.php b/Classes/PHPExcel/Style/Borders.php
index 897507dc..7c03b324 100644
--- a/Classes/PHPExcel/Style/Borders.php
+++ b/Classes/PHPExcel/Style/Borders.php
@@ -315,6 +315,12 @@ class PHPExcel_Style_Borders implements PHPExcel_IComparable
 				if (array_key_exists('diagonaldirection', $pStyles)) {
 					$this->setDiagonalDirection($pStyles['diagonaldirection']);
 				}
+				if (array_key_exists('allborders', $pStyles)) {
+					$this->getLeft()->applyFromArray($pStyles['allborders']);
+					$this->getRight()->applyFromArray($pStyles['allborders']);
+					$this->getTop()->applyFromArray($pStyles['allborders']);
+					$this->getBottom()->applyFromArray($pStyles['allborders']);
+				}
 			}
 		} else {
 			throw new Exception("Invalid style array passed.");
diff --git a/changelog.txt b/changelog.txt
index 3ab43660..e98b65b9 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -57,6 +57,7 @@ Fixed in SVN:
 - Bugfix:   (MBaker) Work item 14425 - Wrong exception message while deleting column
 - Bugfix:   (MBaker) Work item 14679 - Formula evaluation fails with Japanese sheet refs
 - Bugfix:   (MBaker) Work item 13559 - PHPExcel_Writer_PDF does not handle cell borders correctly
+- Bugfix:   (MBaker) Work item 14831 - Style : applyFromArray() for 'allborders' not working
 - General:  (MBaker) Applied patch 6609 - Removes a unnecessary loop through each cell when applying conditional formatting to a range.
 - General:  (MBaker) Applied patch 7169 - Removed spurious PHP end tags (?>)
 - General:  (MBaker) Improved performance (speed) and reduced memory overheads, particularly for the Writers, but across the whole library.