diff --git a/ApplicationCode/Application/RiaPreferences.cpp b/ApplicationCode/Application/RiaPreferences.cpp
index 623ef531b3..a77be746ed 100644
--- a/ApplicationCode/Application/RiaPreferences.cpp
+++ b/ApplicationCode/Application/RiaPreferences.cpp
@@ -27,6 +27,18 @@
 #include "cafPdmUiFieldHandle.h"
 #include "cafPdmUiFilePathEditor.h"
 
+
+template<>
+void RiaPreferences::SummaryRestartFilesImportModeType::setUp()
+{
+    addItem(RiaPreferences::ASK_USER,       "ASK_USER",         "Ask user");
+    addItem(RiaPreferences::IMPORT,         "IMPORT",           "Always import");
+    addItem(RiaPreferences::NOT_IMPORT,     "NOT_IMPORT",       "Never import");
+    addItem(RiaPreferences::SEPARATE_CASES, "SEPARATE_CASES",   "Import as separate summary cases");
+    setDefault(RiaPreferences::ASK_USER);
+}
+
+
 CAF_PDM_SOURCE_INIT(RiaPreferences, "RiaPreferences");
 //--------------------------------------------------------------------------------------------------
 /// 
@@ -88,6 +100,9 @@ RiaPreferences::RiaPreferences(void)
     CAF_PDM_InitField(&loadAndShowSoil, "loadAndShowSoil", true, "Load and Show SOIL", "", "", "");
     loadAndShowSoil.uiCapability()->setUiLabelPosition(caf::PdmUiItemInfo::HIDDEN);
 
+    CAF_PDM_InitFieldNoDefault(&summaryRestartFilesImportMode, "summaryRestartFilesImportMode", "Import summary restart files", "", "", "");
+    //loadAndShowSoil.uiCapability()->setUiLabelPosition(caf::PdmUiItemInfo::HIDDEN);
+
     CAF_PDM_InitFieldNoDefault(&m_readerSettings,        "readerSettings", "Reader Settings", "", "", "");
     m_readerSettings = new RifReaderSettings;
 
@@ -175,6 +190,9 @@ void RiaPreferences::defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering&
         newCaseBehaviourGroup->add(&loadAndShowSoil);
     
         m_readerSettings->defineUiOrdering(uiConfigName, *newCaseBehaviourGroup);
+
+        caf::PdmUiGroup* restartBehaviourGroup = uiOrdering.addNewGroup("Summary Restart Files");
+        restartBehaviourGroup->add(&summaryRestartFilesImportMode);
     }
     else if (uiConfigName == m_tabNames[2])
     {
diff --git a/ApplicationCode/Application/RiaPreferences.h b/ApplicationCode/Application/RiaPreferences.h
index dbc02b5953..03dca2b6d8 100644
--- a/ApplicationCode/Application/RiaPreferences.h
+++ b/ApplicationCode/Application/RiaPreferences.h
@@ -37,6 +37,9 @@ class RiaPreferences : public caf::PdmObject
     CAF_PDM_HEADER_INIT;
 
 public:
+    enum SummaryRestartFilesImportMode { ASK_USER, IMPORT, NOT_IMPORT, SEPARATE_CASES };
+    typedef caf::AppEnum<SummaryRestartFilesImportMode> SummaryRestartFilesImportModeType;
+
     RiaPreferences(void);
     virtual ~RiaPreferences(void);
 
@@ -77,6 +80,8 @@ public: // Pdm Fields
     caf::PdmField<bool>     autocomputeDepthRelatedProperties;
     caf::PdmField<bool>     loadAndShowSoil;
 
+    caf::PdmField<SummaryRestartFilesImportModeType>      summaryRestartFilesImportMode;
+
 protected:
     virtual void                            defineEditorAttribute(const caf::PdmFieldHandle* field, QString uiConfigName, caf::PdmUiEditorAttribute* attribute);
     virtual void                            defineUiOrdering(QString uiConfigName, caf::PdmUiOrdering& uiOrdering);
diff --git a/ApplicationCode/Application/Tools/CMakeLists_files.cmake b/ApplicationCode/Application/Tools/CMakeLists_files.cmake
index 9e533fd960..06095bc398 100644
--- a/ApplicationCode/Application/Tools/CMakeLists_files.cmake
+++ b/ApplicationCode/Application/Tools/CMakeLists_files.cmake
@@ -23,6 +23,7 @@ ${CMAKE_CURRENT_LIST_DIR}/RiaTextStringTools.h
 ${CMAKE_CURRENT_LIST_DIR}/RiaTextFileCompare.h
 ${CMAKE_CURRENT_LIST_DIR}/RiaRegressionTestRunner.h
 ${CMAKE_CURRENT_LIST_DIR}/RiaExtractionTools.h
+${CMAKE_CURRENT_LIST_DIR}/RiaFilePathTools.h
 )
 
 set (SOURCE_GROUP_SOURCE_FILES
@@ -49,6 +50,7 @@ ${CMAKE_CURRENT_LIST_DIR}/RiaTextStringTools.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaTextFileCompare.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaRegressionTestRunner.cpp
 ${CMAKE_CURRENT_LIST_DIR}/RiaExtractionTools.cpp
+${CMAKE_CURRENT_LIST_DIR}/RiaFilePathTools.cpp
 )
 
 list(APPEND CODE_HEADER_FILES
diff --git a/ApplicationCode/Application/Tools/RiaFilePathTools.cpp b/ApplicationCode/Application/Tools/RiaFilePathTools.cpp
new file mode 100644
index 0000000000..d9f3604ab0
--- /dev/null
+++ b/ApplicationCode/Application/Tools/RiaFilePathTools.cpp
@@ -0,0 +1,88 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2011-     Statoil ASA
+//  Copyright (C) 2013-     Ceetron Solutions AS
+//  Copyright (C) 2011-2012 Ceetron AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RiaFilePathTools.h"
+#include <QDir>
+
+//--------------------------------------------------------------------------------------------------
+/// Internal variables
+//--------------------------------------------------------------------------------------------------
+static QString SEPARATOR = "/";
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString RiaFilePathTools::toInternalSeparator(const QString& path)
+{
+    QString currNativeSep = QDir::separator();
+
+    if (currNativeSep == "/")
+    {
+        // On Linux like system -> Do not convert separators
+        return path;
+    }
+
+    // On other systems (i.e. Windows) -> Convert to internal separator (/)
+    QString output = path;
+    return output.replace(QString("\\"), SEPARATOR);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString& RiaFilePathTools::appendSeparatorIfNo(QString& path)
+{
+    if (!path.endsWith(SEPARATOR))
+    {
+        path.append(SEPARATOR);
+    }
+    return path;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QString RiaFilePathTools::relativePath(const QString& rootDir, const QString& dir)
+{
+    if (dir.startsWith(rootDir))
+    {
+        QString relPath = dir;
+        relPath.remove(0, rootDir.size());
+
+        if (relPath.startsWith(SEPARATOR)) relPath.remove(0, 1);
+        return appendSeparatorIfNo(relPath);
+    }
+    else
+    {
+        return dir;
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RiaFilePathTools::equalPaths(const QString& path1, const QString& path2)
+{
+    QString p1 = path1;
+    QString p2 = path2;
+    appendSeparatorIfNo(p1);
+    appendSeparatorIfNo(p2);
+    return p1 == p2;
+}
diff --git a/ApplicationCode/Application/Tools/RiaFilePathTools.h b/ApplicationCode/Application/Tools/RiaFilePathTools.h
new file mode 100644
index 0000000000..f5f10838cb
--- /dev/null
+++ b/ApplicationCode/Application/Tools/RiaFilePathTools.h
@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2011-     Statoil ASA
+//  Copyright (C) 2013-     Ceetron Solutions AS
+//  Copyright (C) 2011-2012 Ceetron AS
+// 
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+// 
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+// 
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html> 
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include <QString>
+#include <QByteArray>
+#include <string>
+
+//==================================================================================================
+//
+// 
+//
+//==================================================================================================
+class RiaFilePathTools
+{
+public:
+    static QString  toInternalSeparator(const QString& path);
+    static QString& appendSeparatorIfNo(QString& path);
+    static QString  relativePath(const QString& rootDir, const QString& dir);
+    static bool     equalPaths(const QString& path1, const QString& path2);
+};
diff --git a/ApplicationCode/Commands/RicFileHierarchyDialog.cpp b/ApplicationCode/Commands/RicFileHierarchyDialog.cpp
index c9297bd97a..98977a879b 100644
--- a/ApplicationCode/Commands/RicFileHierarchyDialog.cpp
+++ b/ApplicationCode/Commands/RicFileHierarchyDialog.cpp
@@ -22,6 +22,7 @@
 #include "ExportCommands/RicSnapshotFilenameGenerator.h"
 
 #include "RiaApplication.h"
+#include "RiaFilePathTools.h"
 
 #include "RimEclipseView.h"
 #include "Rim3dOverlayInfoConfig.h"
@@ -66,11 +67,7 @@ static QString SEPARATOR = "/";
 //--------------------------------------------------------------------------------------------------
 /// Internal functions
 //--------------------------------------------------------------------------------------------------
-static QString      toInternalSeparator(const QString& path);
-static QString&     appendSeparatorIfNo(QString& path);
 static QStringList  prefixStrings(const QStringList& strings, const QString& prefix);
-static QString      relativePath(const QString& rootDir, const QString& dir);
-static bool         equalPaths(const QString& path1, const QString& path2);
 
 //--------------------------------------------------------------------------------------------------
 /// 
@@ -203,8 +200,8 @@ QStringList RicFileHierarchyDialog::files() const
 //--------------------------------------------------------------------------------------------------
 QString RicFileHierarchyDialog::rootDir() const
 {
-    QString rootDir = toInternalSeparator(m_rootDir->text());
-    return appendSeparatorIfNo(rootDir);
+    QString rootDir = RiaFilePathTools::toInternalSeparator(m_rootDir->text());
+    return RiaFilePathTools::appendSeparatorIfNo(rootDir);
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -212,7 +209,7 @@ QString RicFileHierarchyDialog::rootDir() const
 //--------------------------------------------------------------------------------------------------
 QString RicFileHierarchyDialog::pathFilter() const
 {
-    return toInternalSeparator(m_pathFilter->text());
+    return RiaFilePathTools::toInternalSeparator(m_pathFilter->text());
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -349,7 +346,7 @@ QStringList RicFileHierarchyDialog::buildDirectoryListRecursive(const QString& c
         }
     }
 
-    QString currRelPath = relativePath(rootDir(), currentDir);
+    QString currRelPath = RiaFilePathTools::relativePath(rootDir(), currentDir);
     if (pathFilterMatch(currPathFilter, currRelPath))
     {
         allDirs.push_back(currentDir);
@@ -437,7 +434,7 @@ void RicFileHierarchyDialog::updateEffectiveFilter()
         .arg(m_fileFilter->text())
         .arg(m_fileExtension->text());
 
-    QString internalFilter(toInternalSeparator(effFilter));
+    QString internalFilter(RiaFilePathTools::toInternalSeparator(effFilter));
 
     // Remove duplicate separators
     int len;
@@ -619,36 +616,6 @@ void RicFileHierarchyDialog::slotBrowseButtonClicked()
 /// Internal functions
 //--------------------------------------------------------------------------------------------------
 
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-QString toInternalSeparator(const QString& path)
-{
-    QString currNativeSep = QDir::separator();
-
-    if (currNativeSep == "/")
-    {
-        // On Linux like system -> Do not convert separators
-        return path;
-    }
-
-    // On other systems (i.e. Windows) -> Convert to internal separator (/)
-    QString output = path;
-    return output.replace(QString("\\"), SEPARATOR);
-}
-
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-QString& appendSeparatorIfNo(QString& path)
-{
-    if (!path.endsWith(SEPARATOR))
-    {
-        path.append(SEPARATOR);
-    }
-    return path;
-}
-
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -668,34 +635,3 @@ QStringList prefixStrings(const QStringList& strings, const QString& prefix)
     }
     return prefixedStrings;
 }
-
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-QString relativePath(const QString& rootDir, const QString& dir)
-{
-    if (dir.startsWith(rootDir))
-    {
-        QString relPath = dir;
-        relPath.remove(0, rootDir.size());
-
-        if (relPath.startsWith(SEPARATOR)) relPath.remove(0, 1);
-        return appendSeparatorIfNo(relPath);
-    }
-    else
-    {
-        return dir;
-    }
-}
-
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-bool equalPaths(const QString& path1, const QString& path2)
-{
-    QString p1 = path1;
-    QString p2 = path2;
-    appendSeparatorIfNo(p1);
-    appendSeparatorIfNo(p2);
-    return p1 == p2;
-}
diff --git a/ApplicationCode/Commands/RicImportSummaryCaseFeature.cpp b/ApplicationCode/Commands/RicImportSummaryCaseFeature.cpp
index d3648a5539..c9a4f43779 100644
--- a/ApplicationCode/Commands/RicImportSummaryCaseFeature.cpp
+++ b/ApplicationCode/Commands/RicImportSummaryCaseFeature.cpp
@@ -53,6 +53,7 @@ bool RicImportSummaryCaseFeature::isCommandEnabled()
 void RicImportSummaryCaseFeature::onActionTriggered(bool isChecked)
 {
     RiaApplication* app = RiaApplication::instance();
+    RiaPreferences* prefs = app->preferences();
     QString defaultDir = app->lastUsedDialogDirectory("INPUT_FILES");
     QStringList fileNames = QFileDialog::getOpenFileNames(nullptr, "Import Summary Case", defaultDir, "Eclipse Summary File (*.SMSPEC);;All Files (*.*)");
 
@@ -63,7 +64,15 @@ void RicImportSummaryCaseFeature::onActionTriggered(bool isChecked)
 
     if (fileNames.isEmpty()) return;
 
-    std::vector<RicSummaryCaseFileInfo> fileInfos = RicImportSummaryCasesFeature::getFilesToImportWithDialog(fileNames, true);
+    std::vector<RicSummaryCaseFileInfo> fileInfos;
+    if (prefs->summaryRestartFilesImportMode == RiaPreferences::ASK_USER)
+    {
+        fileInfos = RicImportSummaryCasesFeature::getFilesToImportWithDialog(fileNames, true);
+    }
+    else
+    {
+        fileInfos = RicImportSummaryCasesFeature::getFilesToImportFromPrefs(fileNames, prefs->summaryRestartFilesImportMode);
+    }
 
     RicImportSummaryCasesFeature::createAndAddSummaryCaseFromFileInfo(fileInfos);
 
diff --git a/ApplicationCode/Commands/RicImportSummaryCasesFeature.cpp b/ApplicationCode/Commands/RicImportSummaryCasesFeature.cpp
index 61cb441414..b3a20a110e 100644
--- a/ApplicationCode/Commands/RicImportSummaryCasesFeature.cpp
+++ b/ApplicationCode/Commands/RicImportSummaryCasesFeature.cpp
@@ -56,6 +56,7 @@ bool RicImportSummaryCasesFeature::isCommandEnabled()
 void RicImportSummaryCasesFeature::onActionTriggered(bool isChecked)
 {
     RiaApplication* app = RiaApplication::instance();
+    RiaPreferences* prefs = app->preferences();
     QString defaultDir = app->lastUsedDialogDirectory("INPUT_FILES");
 
     RicFileHierarchyDialogResult result = RicFileHierarchyDialog::getOpenFileNames(nullptr, "Import Summary Cases", defaultDir, m_pathFilter, m_fileNameFilter, QStringList(".SMSPEC"));
@@ -72,10 +73,20 @@ void RicImportSummaryCasesFeature::onActionTriggered(bool isChecked)
     QStringList fileNames = result.files;
     if (fileNames.isEmpty()) return;
 
-    std::vector<RicSummaryCaseFileInfo> fileInfos = getFilesToImportWithDialog(fileNames, true);
+    std::vector<RicSummaryCaseFileInfo> fileInfos;
+    if (prefs->summaryRestartFilesImportMode == RiaPreferences::ASK_USER)
+    {
+        fileInfos = getFilesToImportWithDialog(fileNames, true);
+    }
+    else
+    {
+        fileInfos = getFilesToImportFromPrefs(fileNames, prefs->summaryRestartFilesImportMode);
+    }
 
     createAndAddSummaryCaseFromFileInfo(fileInfos);
 
+    if (fileInfos.size() > 0) RiaApplication::instance()->addToRecentFiles(fileInfos.front().fileName);
+
     std::vector<RimCase*> cases;
     app->project()->allCases(cases);
 
@@ -111,8 +122,6 @@ std::vector<RicSummaryCaseFileInfo> RicImportSummaryCasesFeature::getFilesToImpo
 
         if (result.ok)
         {
-            if(result.files.size() > 0) RiaApplication::instance()->addToRecentFiles(result.files.front());
-
             for (const QString& file : result.files)
             {
                 RicSummaryCaseFileInfo fi(file, result.option == RicSummaryCaseRestartDialog::READ_ALL);
@@ -127,6 +136,38 @@ std::vector<RicSummaryCaseFileInfo> RicImportSummaryCasesFeature::getFilesToImpo
     return std::vector<RicSummaryCaseFileInfo>(filesToImport.begin(), filesToImport.end());
 }
 
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+std::vector<RicSummaryCaseFileInfo> RicImportSummaryCasesFeature::getFilesToImportFromPrefs(const QStringList& initialFiles,
+                                                                                            RiaPreferences::SummaryRestartFilesImportModeType summaryRestartMode)
+{
+    std::set<RicSummaryCaseFileInfo> filesToImport;
+    RicSummaryCaseRestartDialogResult lastResult;
+
+    for (const QString& file : initialFiles)
+    {
+        if (summaryRestartMode == RiaPreferences::IMPORT)
+        {
+            filesToImport.insert(RicSummaryCaseFileInfo(file, true));
+        }
+        else if (summaryRestartMode == RiaPreferences::NOT_IMPORT)
+        {
+            filesToImport.insert(RicSummaryCaseFileInfo(file, false));
+        }
+        else if (summaryRestartMode == RiaPreferences::SEPARATE_CASES)
+        {
+            filesToImport.insert(RicSummaryCaseFileInfo(file, false));
+
+            RifReaderEclipseSummary reader;
+            std::vector<RifRestartFileInfo> restartFileInfos = reader.getRestartFiles(file);
+            for (const auto& fi : restartFileInfos)
+                filesToImport.insert(RicSummaryCaseFileInfo(fi.fileName, false));
+        }
+    }
+    return std::vector<RicSummaryCaseFileInfo>(filesToImport.begin(), filesToImport.end());
+}
+
 //--------------------------------------------------------------------------------------------------
 /// 
 //--------------------------------------------------------------------------------------------------
@@ -149,8 +190,21 @@ bool RicImportSummaryCasesFeature::createAndAddSummaryCaseFromFileInfo(const std
 //--------------------------------------------------------------------------------------------------
 bool RicImportSummaryCasesFeature::createAndAddSummaryCaseFromFileWithDialog(const QString& fileName)
 {
+    RiaApplication* app = RiaApplication::instance();
+    RiaPreferences* prefs = app->preferences();
+
     QStringList fileNames({ fileName });
-    std::vector<RicSummaryCaseFileInfo> fileInfos = getFilesToImportWithDialog(fileNames, false);
+    std::vector<RicSummaryCaseFileInfo> fileInfos;
+    if (prefs->summaryRestartFilesImportMode == RiaPreferences::ASK_USER)
+    {
+        fileInfos = getFilesToImportWithDialog(fileNames, false);
+    }
+    else
+    {
+        fileInfos = getFilesToImportFromPrefs(fileNames, prefs->summaryRestartFilesImportMode);
+    }
+
+
     bool res = createAndAddSummaryCaseFromFileInfo(fileInfos);
     RiaApplication::instance()->addToRecentFiles(fileName);
     return res;
diff --git a/ApplicationCode/Commands/RicImportSummaryCasesFeature.h b/ApplicationCode/Commands/RicImportSummaryCasesFeature.h
index ec11bf6fb6..fcefac9df2 100644
--- a/ApplicationCode/Commands/RicImportSummaryCasesFeature.h
+++ b/ApplicationCode/Commands/RicImportSummaryCasesFeature.h
@@ -18,6 +18,8 @@
 
 #pragma once
 
+#include "RiaPreferences.h"
+
 #include "cafCmdFeature.h"
 
 #include <QString>
@@ -54,6 +56,9 @@ public:
     static std::vector<RicSummaryCaseFileInfo> getFilesToImportWithDialog(const QStringList& initialFiles,
                                                                           bool enableApplyToAllField);
 
+    static std::vector<RicSummaryCaseFileInfo> getFilesToImportFromPrefs(const QStringList& initialFiles,
+                                                                         RiaPreferences::SummaryRestartFilesImportModeType summaryRestartMode);
+
     static bool createAndAddSummaryCaseFromFileInfo(const std::vector<RicSummaryCaseFileInfo>& fileInfos);
     static bool createAndAddSummaryCaseFromFileWithDialog(const QString& fileName);
 
diff --git a/ApplicationCode/Commands/RicSummaryCaseRestartDialog.cpp b/ApplicationCode/Commands/RicSummaryCaseRestartDialog.cpp
index 99e009b920..ae52b0bb97 100644
--- a/ApplicationCode/Commands/RicSummaryCaseRestartDialog.cpp
+++ b/ApplicationCode/Commands/RicSummaryCaseRestartDialog.cpp
@@ -22,6 +22,7 @@
 #include "ExportCommands/RicSnapshotFilenameGenerator.h"
 
 #include "RiaApplication.h"
+#include "RiaFilePathTools.h"
 
 #include "RifReaderEclipseSummary.h"
 
@@ -57,15 +58,6 @@
 #define DEFAULT_DIALOG_WIDTH        550
 #define DEFAULT_DIALOG_INIT_HEIGHT  150
 
-//--------------------------------------------------------------------------------------------------
-/// Internal variables
-//--------------------------------------------------------------------------------------------------
-static QString SEPARATOR = "/";
-
-//--------------------------------------------------------------------------------------------------
-/// Internal functions
-//--------------------------------------------------------------------------------------------------
-static QString      toInternalSeparator(const QString& path);
 
 //--------------------------------------------------------------------------------------------------
 /// 
@@ -164,12 +156,12 @@ RicSummaryCaseRestartDialogResult RicSummaryCaseRestartDialog::openDialog(const
         return RicSummaryCaseRestartDialogResult(false, READ_SINGLE, QStringList(), false);
     }
 
-    QStringList files({ toInternalSeparator(summaryHeaderFile) });
+    QStringList files({ RiaFilePathTools::toInternalSeparator(summaryHeaderFile) });
     if (dialog.selectedOption() == SEPARATE_CASES)
     {
         for (const auto& fileInfo : fileInfos)
         {
-            files.push_back(toInternalSeparator(fileInfo.fileName));
+            files.push_back(RiaFilePathTools::toInternalSeparator(fileInfo.fileName));
         }
     }
     return RicSummaryCaseRestartDialogResult(true, dialog.selectedOption(), files, dialog.applyToAllSelected());
@@ -244,20 +236,3 @@ void RicSummaryCaseRestartDialog::slotDialogCancelClicked()
 /// Internal functions
 //--------------------------------------------------------------------------------------------------
 
-//--------------------------------------------------------------------------------------------------
-/// 
-//--------------------------------------------------------------------------------------------------
-QString toInternalSeparator(const QString& path)
-{
-    QString currNativeSep = QDir::separator();
-
-    if (currNativeSep == "/")
-    {
-        // On Linux like system -> Do not convert separators
-        return path;
-    }
-
-    // On other systems (i.e. Windows) -> Convert to internal separator (/)
-    QString output = path;
-    return output.replace(QString("\\"), SEPARATOR);
-}
diff --git a/ApplicationCode/FileInterface/RifReaderEclipseSummary.cpp b/ApplicationCode/FileInterface/RifReaderEclipseSummary.cpp
index 4de746e4d0..28470afd5a 100644
--- a/ApplicationCode/FileInterface/RifReaderEclipseSummary.cpp
+++ b/ApplicationCode/FileInterface/RifReaderEclipseSummary.cpp
@@ -18,6 +18,7 @@
 
 #include "RifReaderEclipseSummary.h"
 #include "RiaStringEncodingTools.h"
+#include "RiaFilePathTools.h"
 #include "RifReaderEclipseOutput.h"
 #include "RifEclipseSummaryTools.h"
 
@@ -416,7 +417,7 @@ RifRestartFileInfo RifReaderEclipseSummary::getRestartFile(const QString& header
         QString restartBase = QDir(restartCase).dirName();
 
         char* smspec_header = ecl_util_alloc_exfilename(path.toStdString().data(), restartBase.toStdString().data(), ECL_SUMMARY_HEADER_FILE, false /*unformatted*/, 0);
-        restartFile.fileName = QDir::toNativeSeparators(RiaStringEncodingTools::fromNativeEncoded(smspec_header));
+        restartFile.fileName = RiaFilePathTools::toInternalSeparator(RiaStringEncodingTools::fromNativeEncoded(smspec_header));
         util_safe_free(smspec_header);
 
         ecl_sum = openEclSum(headerFileName, false);