diff --git a/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderCSV.h b/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderCSV.h
index 06e02b54b1..bcd5873a15 100644
--- a/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderCSV.h
+++ b/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderCSV.h
@@ -1,82 +1,84 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #ifndef MITKNavigationDataReaderCSV_H_HEADER_INCLUDED_
 #define MITKNavigationDataReaderCSV_H_HEADER_INCLUDED_
 
+#include <MitkIGTIOExports.h>
+
 #include <mitkAbstractFileReader.h>
 #include <mitkNavigationDataSet.h>
 
 namespace mitk {
   /** This class reads csv logged navigation datas from the hard disc and returns
    *  the navigation data set.
    *
    *  Caution: at the moment only one navigation data is supported which means that only
    *  the data of the first navigation tool in the file is read!
    */
-  class NavigationDataReaderCSV : public AbstractFileReader
+  class MITKIGTIO_EXPORT NavigationDataReaderCSV : public AbstractFileReader
   {
   public:
 
     NavigationDataReaderCSV();
     virtual ~NavigationDataReaderCSV();
 
     /** @return Returns the NavigationDataSet of the first tool in the given file.
      *          Returns an empty NavigationDataSet if the file could not be read.
      */
     using AbstractFileReader::Read;
     virtual std::vector<itk::SmartPointer<BaseData>> Read() override;
 
   protected:
 
     /**
      * /brief Creates a NavigationData Pointer based on the given Input.
      */
     mitk::NavigationData::Pointer CreateNd(std::string timestamp, std::string valid, std::string X, std::string Y, std::string Z, std::string QX, std::string QY, std::string QZ, std::string QR);
 
     /**
      * /brief Presents File Content line by line
      */
     std::vector<std::string> GetFileContentLineByLine(std::string filename);
 
     /**
      * /brief Calculates the Number of Tools based on the number of colums per line.
      */
     int getNumberOfToolsInLine(std::string line);
 
     /**
      * /brief Converts string to double returns zero if failing
      */
     std::vector<mitk::NavigationData::Pointer> parseLine(std::string line, int NumOfTools);
 
     /**
      * /brief Converts string to double returns zero if failing
      */
     double StringToDouble( const std::string& s );
 
     /**
      * /brief Split line in elemens based on a given delim
      */
     std::vector<std::string> splitLine(std::string line);
 
     NavigationDataReaderCSV(const NavigationDataReaderCSV& other);
 
     virtual mitk::NavigationDataReaderCSV* Clone() const override;
 
   };
 }
 
 #endif // MITKNavigationDataReaderCSV_H_HEADER_INCLUDED_
diff --git a/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderXML.h b/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderXML.h
index 3d34a5150b..c0ead88d04 100644
--- a/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderXML.h
+++ b/Modules/IGTBase/autoload/IO/mitkNavigationDataReaderXML.h
@@ -1,108 +1,110 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 
 #ifndef MITKNavigationDataReaderXML_H_HEADER_INCLUDED_
 #define MITKNavigationDataReaderXML_H_HEADER_INCLUDED_
 
+#include <MitkIGTIOExports.h>
+
 #include <mitkAbstractFileReader.h>
 #include <mitkNavigationDataSet.h>
 // includes for exceptions
 #include <mitkIGTException.h>
 #include <mitkIGTIOException.h>
 
 class TiXmlElement;
 class TiXmlNode;
 
 namespace mitk {
 
-  class NavigationDataReaderXML : public AbstractFileReader
+  class MITKIGTIO_EXPORT NavigationDataReaderXML : public AbstractFileReader
   {
   public:
     NavigationDataReaderXML();
     virtual ~NavigationDataReaderXML();
 
     using AbstractFileReader::Read;
     virtual std::vector<itk::SmartPointer<BaseData>> Read() override;
 
   protected:
 
     NavigationDataReaderXML(const NavigationDataReaderXML& other);
     virtual mitk::NavigationDataReaderXML* Clone() const override;
 
     NavigationDataSet::Pointer ReadNavigationDataSet();
 
     /**
      * \brief This method reads one line of the XML document and returns the data as a NavigationData object
      * If there is a new file version another method must be added which reads this data.
      * @throw mitk::IGTException Throws an exceptions if file is damaged.
      */
     mitk::NavigationData::Pointer ReadVersion1();
     mitk::NavigationData::Pointer ReadNavigationData(TiXmlElement* elem);
 
     std::string m_FileName;
 
     TiXmlElement* m_parentElement;
     TiXmlNode* m_currentNode;
 
     int m_FileVersion; ///< indicates which XML encoding is used
     int m_NumberOfOutputs; ///< stores the number of outputs known from the XML document
 
     // -- deprecated | begin
     //std::istream* m_Stream; ///< stores a pointer to the input stream
     bool m_StreamEnd; ///< stores if the input stream arrived at end
     bool m_StreamValid;                       ///< stores if the input stream is valid or not
     std::string m_ErrorMessage;               ///< stores the error message if the stream is invalid
 
     /**
      * \brief Creates a stream out of the filename given by the variable m_FileName.
      * The stream is then set to m_Stream.
      *
      * @throw mitk::IGTIOException Throws an exception if file does not exist
      * @throw mitk::IGTException Throws an exception if the stream is NULL
      */
     //void CreateStreamFromFilename();
 
     /**
      * \brief Returns the file version out of the XML document.
      * @throw mitk::IGTException Throws an mitk::IGTException an exception if stream is NULL or not good.
      * @throw mitk::IGTIOException Throws an mitk::IGTIOException if the stream has an incompatible XML format.
      */
     unsigned int GetFileVersion(std::istream* stream);
 
     /**
      * \brief Returns the number of tracked tools out of the XML document.
      * @throw Throws an exception if stream is NULL.
      * @throw Throws an exception if the input stream has an XML incompatible format.
      */
     unsigned int GetNumberOfNavigationDatas(std::istream* stream);
 
     /**
      * @brief This is a helping method which gives an error message and throws an exception with the given message.
      *        It can be used if a stream is found to be invalid.
      *
      * @throw mitk::IGTIOException Always throws an exception.
      */
     void StreamInvalid(std::string message);  ///< help method which sets the stream invalid and displays an error
     // -- deprecated | end
   private:
     NavigationDataSet::Pointer Read(std::istream* stream);
     NavigationDataSet::Pointer Read(std::string fileName);
   };
 
 } // namespace mitk
 
 #endif // MITKNavigationDataReaderXML_H_HEADER_INCLUDED_
diff --git a/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterCSV.h b/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterCSV.h
index c3c4092c87..cf5b5392d3 100644
--- a/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterCSV.h
+++ b/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterCSV.h
@@ -1,41 +1,43 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 
 #ifndef MITKNavigationDataSetWriterCSV_H_HEADER_INCLUDED_
 #define MITKNavigationDataSetWriterCSV_H_HEADER_INCLUDED_
 
+#include <MitkIGTIOExports.h>
+
 #include <mitkNavigationDataSet.h>
 #include <mitkAbstractFileWriter.h>
 
 namespace mitk {
-  class NavigationDataSetWriterCSV : public AbstractFileWriter
+  class MITKIGTIO_EXPORT NavigationDataSetWriterCSV : public AbstractFileWriter
   {
   public:
     NavigationDataSetWriterCSV();
     virtual~NavigationDataSetWriterCSV();
 
     using AbstractFileWriter::Write;
     virtual void Write() override;
 
   protected:
     NavigationDataSetWriterCSV(const NavigationDataSetWriterCSV& other);
 
     virtual mitk::NavigationDataSetWriterCSV* Clone() const override;
   };
 }
 
 #endif // MITKNavigationDataSetWriterCSV_H_HEADER_INCLUDED_
diff --git a/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterXML.h b/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterXML.h
index a4360a2250..d903c994ad 100644
--- a/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterXML.h
+++ b/Modules/IGTBase/autoload/IO/mitkNavigationDataSetWriterXML.h
@@ -1,47 +1,49 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #ifndef MITKNavigationDataSetWriterXML_H_HEADER_INCLUDED_
 #define MITKNavigationDataSetWriterXML_H_HEADER_INCLUDED_
 
+#include <MitkIGTIOExports.h>
+
 #include <mitkNavigationDataSet.h>
 #include <mitkAbstractFileWriter.h>
 
 namespace mitk {
-  class NavigationDataSetWriterXML : public AbstractFileWriter
+  class MITKIGTIO_EXPORT NavigationDataSetWriterXML : public AbstractFileWriter
   {
   public:
 
     NavigationDataSetWriterXML();
     virtual ~NavigationDataSetWriterXML();
 
 
     using AbstractFileWriter::Write;
     virtual void Write() override;
 
   protected:
 
     NavigationDataSetWriterXML(const NavigationDataSetWriterXML& other);
 
     virtual mitk::NavigationDataSetWriterXML* Clone() const override;
 
     virtual void StreamHeader (std::ostream* stream, mitk::NavigationDataSet::ConstPointer data);
     virtual void StreamData (std::ostream* stream, mitk::NavigationDataSet::ConstPointer data);
     virtual void StreamFooter (std::ostream* stream);
   };
 }
 
 #endif // MITKNavigationDataSetWriterXML_H_HEADER_INCLUDED_