diff --git a/windows/owi/config/php.ini b/windows/owi/config/php.ini
index b4e80ff..2686398 100644
--- a/windows/owi/config/php.ini
+++ b/windows/owi/config/php.ini
@@ -891,7 +891,7 @@ default_socket_timeout = 60
 ;   Be sure to appropriately set the extension_dir directive.
 ;
 ;extension=bz2
-;extension=fileinfo
+extension=fileinfo
 ;extension=gd2
 ;extension=gettext
 ;extension=gmp
@@ -899,7 +899,7 @@ default_socket_timeout = 60
 ;extension=imap
 ;extension=interbase
 ;extension=ldap
-;extension=mbstring
+extension=mbstring
 ;extension=exif      ; Must be after mbstring as it depends on it
 ;extension=mysqli
 ;extension=oci8_12c  ; Use with Oracle Database 12c Instant Client