diff --git a/src/SimNDT/gui/managerFile.py b/src/SimNDT/gui/managerFile.py
new file mode 100644
index 0000000..c1c3935
--- /dev/null
+++ b/src/SimNDT/gui/managerFile.py
@@ -0,0 +1,77 @@
+__author__ = 'Miguel Molero'
+
+import os
+from PySide.QtCore import *
+from PySide.QtGui import *
+
+
+def fileNew(filename):
+
+	dir = os.path.dirname(filename) if filename is not None else "."
+	formats = ["*.%s" % "sim","*.%s" % "json"]
+	fname = None
+	fname, filters = QFileDialog.getSaveFileName(None, "New Simulation File (.sim/.json)", dir,"sim Files (%s)"%" ".join(formats))
+	return fname
+
+
+
+def fileOpen(filename):
+
+	dir = os.path.dirname(filename) if filename is not None else "."
+	formats = ["*.%s" % "sim","*.%s" % "json"]
+	fname, filters = QFileDialog.getOpenFileName(None,"Open Simulation File (.sim/.json)", dir,"sim Files (%s)"%" ".join(formats))
+	return fname
+
+
+
+def fileSaveAs(filename):
+
+	fname = filename if filename is not None else "."
+	formats = ["*.%s" % "sim","*.%s" % "json"]
+	fname, filters = QFileDialog.getSaveFileName(None, "Save Simulation File As (.sim/.json)", fname,"sim Files (%s)"%" ".join(formats))
+	return fname
+
+
+
+
+def exportMatlab(filename):
+
+	print (filename)
+	if filename is not None:
+		fname  = os.path.splitext(filename)[0]
+	else:
+		fname = "."
+
+
+	formats = ["*.%s" % "mat"]
+	fname, filters = QFileDialog.getSaveFileName(None, "Export Simulation in (.mat) File", fname,".mat Files (%s)"%" ".join(formats))
+	return fname
+
+def importJSON(filename):
+
+	print (filename)
+	if filename is not None:
+		fname  = os.path.splitext(filename)[0]
+	else:
+		fname = "."
+
+
+	formats = ["*.%s" % "json"]
+	fname, filters = QFileDialog.getOpenFileName(None, "Import Simulation from (.json) File", fname,".json Files (%s)"%" ".join(formats))
+	return fname
+	
+def exportJSON(filename):
+
+	print (filename)
+	if filename is not None:
+		fname  = os.path.splitext(filename)[0]
+	else:
+		fname = "."
+
+
+	formats = ["*.%s" % "json"]
+	fname, filters = QFileDialog.getSaveFileName(None, "Export Simulation in (.json) File", fname,".json Files (%s)"%" ".join(formats))
+	return fname
+
+
+