diff --git a/src/ExcelFilter.kt b/src/ExcelFilter.kt
index 1cbc824..218a939 100644
--- a/src/ExcelFilter.kt
+++ b/src/ExcelFilter.kt
@@ -3,7 +3,7 @@ import javax.swing.filechooser.FileFilter
 
 object ExcelExtensions {
 
-    val ACCEPTABLE_EXTENSIONS = arrayOf("xls", "xlsx", "csv")
+    val ACCEPTABLE_EXTENSIONS = arrayOf("csv", "xls", "xlsx")
     /*
     * Get the extension of a file.
     */
diff --git a/src/ImageFilter.kt b/src/ImageFilter.kt
index 67f2220..64b135a 100644
--- a/src/ImageFilter.kt
+++ b/src/ImageFilter.kt
@@ -3,7 +3,7 @@ import javax.swing.filechooser.FileFilter
 
 object ImageExtensions {
 
-    val ACCEPTABLE_EXTENSIONS = arrayOf("jpeg", "jpg", "gif", "tiff", "tif", "png")
+    val ACCEPTABLE_EXTENSIONS = arrayOf("bitmap",  "bmp", "gif", "jpeg", "jpg", "png", "tif", "tiff" )
     /*
     * Get the extension of a file.
     */