diff --git a/imagepy/core/util/fileio.py b/imagepy/core/util/fileio.py
index 1dd8c418..3edd5da9 100644
--- a/imagepy/core/util/fileio.py
+++ b/imagepy/core/util/fileio.py
@@ -30,7 +30,7 @@ def add_recent(path):
         idx = recent.index(path)
         recent.insert(0, recent.pop(idx))
         rlist.insert(0, rlist.pop(idx))
-    else: 
+    else:
         recent.insert(0, path)
         rlist.insert(0, f(path))
     if len(recent)>=5:
@@ -40,11 +40,18 @@ def add_recent(path):
     ConfigManager.set('recent', recent)
     IPy.curapp.reload_plugins()
 
+def make_wildcard(file_pattern):
+    if isinstance(file_pattern, str):
+        return '%s files (*.%s)|*.%s'%(file_pattern.upper(), file_pattern, file_pattern)
+    else:
+        extensions = ";".join(["*." + x for x in file_pattern[1]])
+        return '%s files (*.%s)|*.%s'%(file_pattern[0].upper(), extensions, extensions)
+
 class Reader(Free):
     para = {'path':''}
 
     def show(self):
-        filt = '|'.join(['%s files (*.%s)|*.%s'%(i.upper(),i,i) for i in self.filt])
+        filt = '|'.join([make_wildcard(i) for i in self.filt])
         return IPy.getpath('Open..', filt, 'open', self.para)
 
     #process
@@ -58,7 +65,7 @@ def run(self, para = None):
             a, b = os.path.splitext(fn)
             fn, fe = a, b+fe
             read = ReaderManager.get(fe[1:], None)
-        if read is None: 
+        if read is None:
             return IPy.alert('No reader found for %s'%fe[1:])
         view = ViewerManager.get(fe[1:])
 
@@ -72,7 +79,7 @@ class Writer(Simple):
     para={'path':root_dir}
 
     def show(self):
-        filt = '|'.join(['%s files (*.%s)|*.%s'%(i.upper(),i,i) for i in self.filt])
+        filt = '|'.join([make_wildcard(i) for i in self.filt])
         return IPy.getpath('Save..', filt, 'save', self.para)
 
     #process
@@ -82,4 +89,4 @@ def run(self, ips, imgs, para = None):
         write = WriterManager.get(fe[1:], 'img')
         write2 = write or WriterManager.get(fe[1:], 'imgs')
         print(write2, write)
-        write2(para['path'], imgs if write is None else ips.img)
\ No newline at end of file
+        write2(para['path'], imgs if write is None else ips.img)
diff --git a/imagepy/menus/File/TIF/tif3d_plgs.py b/imagepy/menus/File/TIF/tif3d_plgs.py
index b39e4c51..a84ccf60 100644
--- a/imagepy/menus/File/TIF/tif3d_plgs.py
+++ b/imagepy/menus/File/TIF/tif3d_plgs.py
@@ -5,7 +5,7 @@
 
 class Save(fileio.Writer):
 	title = 'TIF 3D Save'
-	filt = ['TIF']
+	filt = [('TIF', ('TIF','TIFF', 'tif', 'tiff'))]
 	note = ['all', 'stack3d']
 
 	#process
@@ -14,13 +14,13 @@ def run(self, ips, imgs, para = None):
 
 class Open(fileio.Reader):
 	title = 'TIF 3D Open'
-	filt = ['TIF']
+	filt = [('TIF', ('TIF','TIFF', 'tif', 'tiff'))]
 
 	#process
 	def run(self, para = None):
 		imgs = imread(para['path']).transpose(2,0,1)
 		fp, fn = os.path.split(para['path'])
-		fn, fe = os.path.splitext(fn) 
+		fn, fe = os.path.splitext(fn)
 		IPy.show_img(imgs, fn)
 
-plgs = [Open, Save]
\ No newline at end of file
+plgs = [Open, Save]
diff --git a/imagepy/menus/File/TIF/tif_plgs.py b/imagepy/menus/File/TIF/tif_plgs.py
index 6610cf9e..3ab5e72f 100644
--- a/imagepy/menus/File/TIF/tif_plgs.py
+++ b/imagepy/menus/File/TIF/tif_plgs.py
@@ -7,10 +7,10 @@
 
 class OpenFile(fileio.Reader):
 	title = 'TIF Open'
-	filt = ['TIF']
+	filt = [('TIF', ('TIF','TIFF', 'tif', 'tiff'))]
 
 class SaveFile(fileio.Writer):
 	title = 'TIF Save'
-	filt = ['TIF']
+	filt = [('TIF', ('TIF','TIFF', 'tif', 'tiff'))]
 
-plgs = [OpenFile, SaveFile]
\ No newline at end of file
+plgs = [OpenFile, SaveFile]