diff --git a/src/xlsx/xlsxformat.h b/src/xlsx/xlsxformat.h
index 40f73ce..2f214e8 100755
--- a/src/xlsx/xlsxformat.h
+++ b/src/xlsx/xlsxformat.h
@@ -39,6 +39,7 @@ class Styles;
 class Worksheet;
 class WorksheetPrivate;
 class RichString;
+class SharedStrings;
 
 class FormatPrivate;
 class Q_XLSX_EXPORT Format
@@ -216,6 +217,7 @@ private:
     friend class Worksheet;
     friend class WorksheetPrivate;
     friend class RichString;
+    friend class SharedStrings;
     friend class ::FormatTest;
 
     Format();
diff --git a/src/xlsx/xlsxrichstring.cpp b/src/xlsx/xlsxrichstring.cpp
index 1212854..cd98e09 100644
--- a/src/xlsx/xlsxrichstring.cpp
+++ b/src/xlsx/xlsxrichstring.cpp
@@ -87,6 +87,17 @@ Format *RichString::fragmentFormat(int index) const
     return m_fragmentFormats[index];
 }
 
+/*!
+ * \internal
+ */
+Format *RichString::createFormat()
+{
+    Format *format = new Format();
+    m_createdFormats.append(QSharedPointer<Format>(format));
+
+    return format;
+}
+
 /*!
  * \internal
  */
diff --git a/src/xlsx/xlsxrichstring_p.h b/src/xlsx/xlsxrichstring_p.h
index 7f24246..b985a39 100644
--- a/src/xlsx/xlsxrichstring_p.h
+++ b/src/xlsx/xlsxrichstring_p.h
@@ -28,6 +28,7 @@
 #include "xlsxglobal.h"
 #include "xlsxformat.h"
 #include <QStringList>
+#include <QSharedPointer>
 
 QT_BEGIN_NAMESPACE_XLSX
 
@@ -49,6 +50,7 @@ public:
     QString fragmentText(int index) const;
     Format *fragmentFormat(int index) const;
 
+    Format *createFormat();
 private:
     friend XLSX_AUTOTEST_EXPORT uint qHash(const RichString &rs, uint seed) Q_DECL_NOTHROW;
     friend XLSX_AUTOTEST_EXPORT bool operator==(const RichString &rs1, const RichString &rs2);
@@ -61,6 +63,7 @@ private:
     QList<Format *> m_fragmentFormats;
     QByteArray m_idKey;
     bool m_dirty;
+    QList<QSharedPointer<Format> > m_createdFormats;
 };
 
 
diff --git a/src/xlsx/xlsxsharedstrings.cpp b/src/xlsx/xlsxsharedstrings.cpp
index 247f4e4..046746d 100755
--- a/src/xlsx/xlsxsharedstrings.cpp
+++ b/src/xlsx/xlsxsharedstrings.cpp
@@ -26,6 +26,8 @@
 #include "xlsxsharedstrings_p.h"
 #include "xlsxxmlwriter_p.h"
 #include "xlsxxmlreader_p.h"
+#include "xlsxutility_p.h"
+#include "xlsxformat_p.h"
 #include <QDir>
 #include <QFile>
 #include <QRegularExpression>
@@ -123,6 +125,65 @@ QList<RichString> SharedStrings::getSharedStrings() const
     return m_stringList;
 }
 
+void SharedStrings::writeRichStringPart_rPr(XmlStreamWriter &writer, Format *format) const
+{
+    if (!format)
+        return;
+
+    FontData *font = &format->d_ptr->fontData;
+
+    if (font->bold)
+        writer.writeEmptyElement(QStringLiteral("b"));
+    if (font->italic)
+        writer.writeEmptyElement(QStringLiteral("i"));
+    if (font->strikeOut)
+        writer.writeEmptyElement(QStringLiteral("strike"));
+    if (font->outline)
+        writer.writeEmptyElement(QStringLiteral("outline"));
+    if (font->shadow)
+        writer.writeEmptyElement(QStringLiteral("shadow"));
+    if (font->underline != Format::FontUnderlineNone) {
+        writer.writeEmptyElement(QStringLiteral("u"));
+        if (font->underline == Format::FontUnderlineDouble)
+            writer.writeAttribute(QStringLiteral("val"), QStringLiteral("double"));
+        else if (font->underline == Format::FontUnderlineSingleAccounting)
+            writer.writeAttribute(QStringLiteral("val"), QStringLiteral("singleAccounting"));
+        else if (font->underline == Format::FontUnderlineDoubleAccounting)
+            writer.writeAttribute(QStringLiteral("val"), QStringLiteral("doubleAccounting"));
+    }
+    if (font->scirpt != Format::FontScriptNormal) {
+        writer.writeEmptyElement(QStringLiteral("vertAlign"));
+        if (font->scirpt == Format::FontScriptSuper)
+            writer.writeAttribute(QStringLiteral("val"), QStringLiteral("superscript"));
+        else
+            writer.writeAttribute(QStringLiteral("val"), QStringLiteral("subscript"));
+    }
+
+    writer.writeEmptyElement(QStringLiteral("sz"));
+    writer.writeAttribute(QStringLiteral("val"), QString::number(font->size));
+
+    if (font->color.isValid()) {
+        writer.writeEmptyElement(QStringLiteral("color"));
+        QString color = font->color.name();
+        writer.writeAttribute(QStringLiteral("rgb"), QStringLiteral("FF")+color.mid(1));//remove #
+    } else if (!font->themeColor.isEmpty()) {
+        writer.writeEmptyElement(QStringLiteral("color"));
+        QStringList themes = font->themeColor.split(QLatin1Char(':'));
+        writer.writeAttribute(QStringLiteral("theme"), themes[0]);
+        if (!themes[1].isEmpty())
+            writer.writeAttribute(QStringLiteral("tint"), themes[1]);
+    }
+
+    writer.writeEmptyElement(QStringLiteral("rFont"));
+    writer.writeAttribute(QStringLiteral("val"), font->name);
+    writer.writeEmptyElement(QStringLiteral("family"));
+    writer.writeAttribute(QStringLiteral("val"), QString::number(font->family));
+    if (font->name == QLatin1String("Calibri")) {
+        writer.writeEmptyElement(QStringLiteral("scheme"));
+        writer.writeAttribute(QStringLiteral("val"), font->scheme);
+    }
+}
+
 void SharedStrings::saveToXmlFile(QIODevice *device) const
 {
     XmlStreamWriter writer(device);
@@ -138,15 +199,21 @@ void SharedStrings::saveToXmlFile(QIODevice *device) const
         if (string.isRichString()) {
             //Rich text string
             for (int i=0; i<string.fragmentCount(); ++i) {
+                writer.writeStartElement(QStringLiteral("r"));
                 if (string.fragmentFormat(i)) {
                     writer.writeStartElement(QStringLiteral("rPr"));
-                    //:Todo
+                    writeRichStringPart_rPr(writer, string.fragmentFormat(i));
                     writer.writeEndElement();// rPr
                 }
                 writer.writeStartElement(QStringLiteral("t"));
-                writer.writeAttribute(QStringLiteral("xml:space"), QStringLiteral("preserve"));
+                if (string.fragmentText(i).contains(QRegularExpression(QStringLiteral("^\\s")))
+                        || string.fragmentText(i).contains(QRegularExpression(QStringLiteral("\\s$")))) {
+                    writer.writeAttribute(QStringLiteral("xml:space"), QStringLiteral("preserve"));
+                }
                 writer.writeCharacters(string.fragmentText(i));
                 writer.writeEndElement();// t
+
+                writer.writeEndElement(); //r
             }
         } else {
             writer.writeStartElement(QStringLiteral("t"));
@@ -206,7 +273,7 @@ void SharedStrings::readRichStringPart(XmlStreamReader &reader, RichString &rich
         reader.readNextStartElement();
         if (reader.tokenType() == QXmlStreamReader::StartElement) {
             if (reader.name() == QLatin1String("rPr")) {
-                //:Todo
+                format = readRichStringPart_rPr(reader, richString);
             } else if (reader.name() == QLatin1String("t")) {
                 text = reader.readElementText();
             }
@@ -225,6 +292,71 @@ void SharedStrings::readPlainStringPart(XmlStreamReader &reader, RichString &ric
     richString.addFragment(text, 0);
 }
 
+Format *SharedStrings::readRichStringPart_rPr(XmlStreamReader &reader, RichString &richString)
+{
+    Q_ASSERT(reader.name() == QLatin1String("rPr"));
+    Format *format = richString.createFormat();
+    while (!(reader.name() == QLatin1String("rPr") && reader.tokenType() == QXmlStreamReader::EndElement)) {
+        reader.readNextStartElement();
+        if (reader.tokenType() == QXmlStreamReader::StartElement) {
+            QXmlStreamAttributes attributes = reader.attributes();
+            if (reader.name() == QLatin1String("rFont")) {
+                format->setFontName(attributes.value(QLatin1String("val")).toString());
+            } else if (reader.name() == QLatin1String("charset")) {
+                format->d_ptr->fontData.charset = attributes.value(QLatin1String("val")).toString().toInt();
+            }  else if (reader.name() == QLatin1String("family")) {
+                format->d_ptr->fontData.family = attributes.value(QLatin1String("val")).toString().toInt();
+            }  else if (reader.name() == QLatin1String("b")) {
+                format->setFontBold(true);
+            }  else if (reader.name() == QLatin1String("i")) {
+                format->setFontItalic(true);
+            }  else if (reader.name() == QLatin1String("strike")) {
+                format->setFontStrikeOut(true);
+            }  else if (reader.name() == QLatin1String("outline")) {
+                format->setFontOutline(true);
+            }  else if (reader.name() == QLatin1String("shadow")) {
+                format->d_ptr->fontData.shadow = true;
+            }  else if (reader.name() == QLatin1String("condense")) {
+                format->d_ptr->fontData.condense = attributes.value(QLatin1String("val")).toString().toInt();
+            }  else if (reader.name() == QLatin1String("extend")) {
+                format->d_ptr->fontData.extend = attributes.value(QLatin1String("val")).toString().toInt();
+            }  else if (reader.name() == QLatin1String("color")) {
+                if (attributes.hasAttribute(QLatin1String("rgb"))) {
+                    QString colorString = attributes.value(QLatin1String("rgb")).toString();
+                    format->setFontColor(fromARGBString(colorString));
+                } else if (attributes.hasAttribute(QLatin1String("indexed"))) {
+//                  color = getColorByIndex(attributes.value(QLatin1String("indexed")).toString().toInt());
+                } else if (attributes.hasAttribute(QLatin1String("theme"))) {
+                    QString theme = attributes.value(QLatin1String("theme")).toString();
+                    QString tint = attributes.value(QLatin1String("tint")).toString();
+                    format->d_ptr->fontData.themeColor = theme + QLatin1Char(':') + tint;
+                }
+            }  else if (reader.name() == QLatin1String("sz")) {
+                format->setFontSize(attributes.value(QLatin1String("val")).toString().toInt());
+            }  else if (reader.name() == QLatin1String("u")) {
+                QString value = attributes.value(QLatin1String("val")).toString();
+                if (value == QLatin1String("double"))
+                    format->setFontUnderline(Format::FontUnderlineDouble);
+                else if (value == QLatin1String("doubleAccounting"))
+                    format->setFontUnderline(Format::FontUnderlineDoubleAccounting);
+                else if (value == QLatin1String("singleAccounting"))
+                    format->setFontUnderline(Format::FontUnderlineSingleAccounting);
+                else
+                    format->setFontUnderline(Format::FontUnderlineSingle);
+            }  else if (reader.name() == QLatin1String("vertAlign")) {
+                QString value = attributes.value(QLatin1String("val")).toString();
+                if (value == QLatin1String("superscript"))
+                    format->setFontScript(Format::FontScriptSuper);
+                else if (value == QLatin1String("subscript"))
+                    format->setFontScript(Format::FontScriptSub);
+            }  else if (reader.name() == QLatin1String("scheme")) {
+                format->d_ptr->fontData.scheme = attributes.value(QLatin1String("val")).toString();
+            }
+        }
+    }
+    return format;
+}
+
 bool SharedStrings::loadFromXmlFile(QIODevice *device)
 {
     XmlStreamReader reader(device);
diff --git a/src/xlsx/xlsxsharedstrings_p.h b/src/xlsx/xlsxsharedstrings_p.h
index 26af890..dec9031 100755
--- a/src/xlsx/xlsxsharedstrings_p.h
+++ b/src/xlsx/xlsxsharedstrings_p.h
@@ -36,6 +36,7 @@ class QIODevice;
 namespace QXlsx {
 
 class XmlStreamReader;
+class XmlStreamWriter;
 class RichString;
 
 class XlsxSharedStringInfo
@@ -76,6 +77,8 @@ private:
     void readString(XmlStreamReader &reader); // <si>
     void readRichStringPart(XmlStreamReader &reader, RichString &rich); // <r>
     void readPlainStringPart(XmlStreamReader &reader, RichString &rich); // <v>
+    Format *readRichStringPart_rPr(XmlStreamReader &reader, RichString &richString);
+    void writeRichStringPart_rPr(XmlStreamWriter &writer, Format *format) const;
 
     QHash<RichString, XlsxSharedStringInfo> m_stringTable; //for fast lookup
     QList<RichString> m_stringList;
diff --git a/src/xlsx/xlsxworksheet.cpp b/src/xlsx/xlsxworksheet.cpp
index fc5db89..0bc005f 100755
--- a/src/xlsx/xlsxworksheet.cpp
+++ b/src/xlsx/xlsxworksheet.cpp
@@ -1158,7 +1158,12 @@ void WorksheetPrivate::writeCellData(XmlStreamWriter &writer, int row, int col,
         writer.writeAttribute(QStringLiteral("s"), QString::number(colsInfoHelper[col]->format->xfIndex()));
 
     if (cell->dataType() == Cell::String) {
-        int sst_idx = sharedStrings()->getSharedStringIndex(cell->value().toString());
+        int sst_idx;
+        if (cell->isRichString())
+            sst_idx = sharedStrings()->getSharedStringIndex(cell->d_ptr->richString);
+        else
+            sst_idx = sharedStrings()->getSharedStringIndex(cell->value().toString());
+
         writer.writeAttribute(QStringLiteral("t"), QStringLiteral("s"));
         writer.writeTextElement(QStringLiteral("v"), QString::number(sst_idx));
     } else if (cell->dataType() == Cell::InlineString) {
@@ -1168,13 +1173,17 @@ void WorksheetPrivate::writeCellData(XmlStreamWriter &writer, int row, int col,
             //Rich text string
             RichString string = cell->d_ptr->richString;
             for (int i=0; i<string.fragmentCount(); ++i) {
-                writer.writeStartElement(QStringLiteral("rPr"));
-                //:Todo
-                writer.writeEndElement();// rPr
+                writer.writeStartElement(QStringLiteral("r"));
+                if (string.fragmentFormat(i)) {
+                    writer.writeStartElement(QStringLiteral("rPr"));
+                    //:Todo
+                    writer.writeEndElement();// rPr
+                }
                 writer.writeStartElement(QStringLiteral("t"));
                 writer.writeAttribute(QStringLiteral("xml:space"), QStringLiteral("preserve"));
                 writer.writeCharacters(string.fragmentText(i));
                 writer.writeEndElement();// t
+                writer.writeEndElement(); // r
             }
         } else {
             writer.writeTextElement(QStringLiteral("t"), cell->value().toString());
diff --git a/tests/auto/sharedstrings/tst_sharedstringstest.cpp b/tests/auto/sharedstrings/tst_sharedstringstest.cpp
index 12316ec..ed9bf1b 100644
--- a/tests/auto/sharedstrings/tst_sharedstringstest.cpp
+++ b/tests/auto/sharedstrings/tst_sharedstringstest.cpp
@@ -1,5 +1,6 @@
 #include "private/xlsxsharedstrings_p.h"
 #include "private/xlsxrichstring_p.h"
+#include "xlsxformat.h"
 #include <QString>
 #include <QtTest>
 #include <QXmlStreamReader>
@@ -16,6 +17,7 @@ private Q_SLOTS:
     void testRemoveSharedString();
 
     void testLoadXmlData();
+    void testLoadRichStringXmlData();
 
 };
 
@@ -127,6 +129,37 @@ void SharedStringsTest::testLoadXmlData()
     QCOMPARE(sst2->getSharedStringIndex("Hello World"), 4);
 }
 
+void SharedStringsTest::testLoadRichStringXmlData()
+{
+    QByteArray xmlData = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"
+            "<sst xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" count=\"1\" uniqueCount=\"1\">"
+            "<si>"
+            "<r><t>e=mc</t></r>"
+            "<r>"
+            "<rPr><vertAlign val=\"superscript\"/>"
+            "<sz val=\"11\"/>"
+            "<rFont val=\"MyFontName\"/>"
+            "<family val=\"3\"/>"
+            "<charset val=\"134\"/>"
+            "<scheme val=\"minor\"/>"
+            "</rPr>"
+            "<t>2</t></r>"
+            "</si>"
+            "</sst>";
+
+    QSharedPointer<QXlsx::SharedStrings> sst(new QXlsx::SharedStrings);
+    sst->loadFromXmlData(xmlData);
+    QXlsx::RichString rs = sst->getSharedString(0);
+    QVERIFY(rs.fragmentText(0) == "e=mc");
+    QVERIFY(rs.fragmentText(1) == "2");
+    QVERIFY(rs.fragmentFormat(0) == 0);
+    QXlsx::Format *format = rs.fragmentFormat(1);
+    QCOMPARE(format->fontName(), QString("MyFontName"));
+//    QCOMPARE(format->fontFamily(), 3);
+    QCOMPARE(format->fontScript(), QXlsx::Format::FontScriptSuper);
+    QCOMPARE(format->fontSize(), 11);
+}
+
 QTEST_APPLESS_MAIN(SharedStringsTest)
 
 #include "tst_sharedstringstest.moc"