diff --git a/src/Exportable.php b/src/Exportable.php
index 3d5abdf..6bc32e1 100644
--- a/src/Exportable.php
+++ b/src/Exportable.php
@@ -131,6 +131,10 @@ private function exportOrDownload($path, $function, callable $callback = null)
                 $writer->addNewSheetAndMakeItCurrent();
             }
         }
+        if ($has_sheets) {
+            $this->resizeColumnWidths($writer->getCurrentSheet());
+        }
+
         $writer->close();
     }
 
@@ -336,4 +340,19 @@ public function setColumnsWidth($widths)
 
         return $this;
     }
+
+    /**
+     * @param $sheet
+     * @return void
+     */
+    private function resizeColumnWidths($sheet): void
+    {
+        if (empty($this->columns_width) || empty($sheet)) {
+            return;
+        }
+
+        foreach (array_values($this->columns_width) as $key => $value) {
+            $sheet->setColumnWidth($value, $key + 1); // Excel start from column 1
+        }
+    }
 }