Index: gc_lang/fr/oxt/TextFormatter/TextFormatterEditor.py
==================================================================
--- gc_lang/fr/oxt/TextFormatter/TextFormatterEditor.py
+++ gc_lang/fr/oxt/TextFormatter/TextFormatterEditor.py
@@ -4,10 +4,11 @@
 
 import unohelper
 import uno
 import traceback
 import platform
+import urllib.parse
 import os
 import json
 import re
 
 import helpers
@@ -389,14 +390,15 @@
             xChild = self.xGLOptionNode.getByName("o_${lang}")
             sTFEditorOptions = xChild.getPropertyValue("tfe_rules")
             if not sTFEditorOptions:
                 return
             self.dRules = json.loads(sTFEditorOptions)
-            xGridDataModel = self.xGridModel.GridDataModel
-            for sRuleName in self.dRules:
-                xGridDataModel.addRow(xGridDataModel.RowCount + 1, self._getValuesForRow(sRuleName))
-            xGridDataModel.sortByColumn(0, True)
+            if self.dRules:
+                xGridDataModel = self.xGridModel.GridDataModel
+                for sRuleName in self.dRules:
+                    xGridDataModel.addRow(xGridDataModel.RowCount + 1, self._getValuesForRow(sRuleName))
+                xGridDataModel.sortByColumn(0, True)
         except:
             sMessage = traceback.format_exc()
             MessageBox(self.xDocument, sMessage, ui.get('error'), ERRORBOX)
 
     @_waitPointer
@@ -425,10 +427,11 @@
                 lFile = xFilePicker.getFiles()
                 #print(lFile)
                 spfImported = lFile[0][5:].lstrip("/") # remove file://
                 if platform.system() != "Windows":
                     spfImported = "/" + spfImported
+                spfImported = urllib.parse.unquote(spfImported)
         except:
             sMessage = traceback.format_exc()
             MessageBox(self.xDocument, sMessage, ui.get('error'), ERRORBOX)
             return
         if not spfImported or not os.path.isfile(spfImported):
@@ -474,11 +477,14 @@
                 # lFile = xFilePicker.getSelectedFiles()
                 lFile = xFilePicker.getFiles()
                 spfExported = lFile[0][5:].lstrip("/") # remove file://
                 if platform.system() != "Windows":
                     spfExported = "/" + spfExported
+                spfExported = urllib.parse.unquote(spfExported)
+                if not spfExported.endswith((".json", ".JSON")):
+                    spfExported += ".json"
                 #spfExported = os.path.join(os.path.expanduser("~"), "fr.personal.json")
                 with open(spfExported, "w", encoding="utf-8") as hDst:
                     hDst.write(sText)
         except:
             sMessage = traceback.format_exc()
             MessageBox(self.xDocument, sMessage, ui.get('error'), ERRORBOX)