diff --git a/examples/xlsx/documentproperty/main.cpp b/examples/xlsx/documentproperty/main.cpp
index 6cb38cb..a87c222 100644
--- a/examples/xlsx/documentproperty/main.cpp
+++ b/examples/xlsx/documentproperty/main.cpp
@@ -1,5 +1,5 @@
 #include <QtCore>
-#include "xlsxworkbook.h"
+#include "xlsxdocument.h"
 
 #ifdef Q_OS_MAC
 #  define DATA_PATH "../../../"
@@ -9,20 +9,20 @@
 
 int main()
 {
-    QXlsx::Workbook workbook;
+    QXlsx::Document xlsx;
 /*
     These properties are visible when you use the
     Office Button -> Prepare -> Properties option in Excel and are also
     available to external applications that read or index windows files
 */
-    workbook.setProperty("title", "This is an example spreadsheet");
-    workbook.setProperty("subject", "With document properties");
-    workbook.setProperty("creator", "Debao Zhang");
-    workbook.setProperty("company", "HMICN");
-    workbook.setProperty("category", "Example spreadsheets");
-    workbook.setProperty("keywords", "Sample, Example, Properties");
-    workbook.setProperty("description", "Created with Qt Xlsx");
+    xlsx.setDocumentProperty("title", "This is an example spreadsheet");
+    xlsx.setDocumentProperty("subject", "With document properties");
+    xlsx.setDocumentProperty("creator", "Debao Zhang");
+    xlsx.setDocumentProperty("company", "HMICN");
+    xlsx.setDocumentProperty("category", "Example spreadsheets");
+    xlsx.setDocumentProperty("keywords", "Sample, Example, Properties");
+    xlsx.setDocumentProperty("description", "Created with Qt Xlsx");
 
-    workbook.save(DATA_PATH"Test.xlsx");
+    xlsx.saveAs(DATA_PATH"Test.xlsx");
     return 0;
 }
diff --git a/examples/xlsx/hello/main.cpp b/examples/xlsx/hello/main.cpp
index b2a677a..dd6997e 100755
--- a/examples/xlsx/hello/main.cpp
+++ b/examples/xlsx/hello/main.cpp
@@ -1,6 +1,5 @@
 #include <QtCore>
-#include "xlsxworkbook.h"
-#include "xlsxworksheet.h"
+#include "xlsxdocument.h"
 
 #ifdef Q_OS_MAC
 #  define DATA_PATH "../../../"
@@ -10,31 +9,30 @@
 
 int main()
 {
-    QXlsx::Workbook workbook;
-    QXlsx::Worksheet *sheet = workbook.addWorksheet();
-    sheet->write("A1", "Hello Qt!");
-    sheet->write("B3", 12345);
-    sheet->write("C5", "=44+33");
-    sheet->write("D7", true);
-    sheet->write("E1", "http://qt-project.org");
+    QXlsx::Document xlsx;
 
-    QXlsx::Worksheet *sheet2 = workbook.addWorksheet();
+    //Write to first worksheet.
+    xlsx.write("A1", "Hello Qt!");
+    xlsx.write("B3", 12345);
+    xlsx.write("C5", "=44+33");
+    xlsx.write("D7", true);
+    xlsx.write("E1", "http://qt-project.org");
+
+    //Create another worksheet.
+    xlsx.addWorksheet();
     //Rows and columns are zero indexed.
     //The first cell in a worksheet, "A1", is (0, 0).
-    sheet2->write(0, 0, "First");
-    sheet2->write(1, 0, "Second");
-    sheet2->write(2, 0, "Third");
-    sheet2->write(3, 0, "Fourth");
-    sheet2->write(4, 0, "Total");
-    sheet2->write(0, 1, 100);
-    sheet2->write(1, 1, 200);
-    sheet2->write(2, 1, 300);
-    sheet2->write(3, 1, 400);
-    sheet2->write(4, 1, "=SUM(B1:B4)");
-
-    workbook.setActivedWorksheet(1);
+    xlsx.write(0, 0, "First");
+    xlsx.write(1, 0, "Second");
+    xlsx.write(2, 0, "Third");
+    xlsx.write(3, 0, "Fourth");
+    xlsx.write(4, 0, "Total");
+    xlsx.write(0, 1, 100);
+    xlsx.write(1, 1, 200);
+    xlsx.write(2, 1, 300);
+    xlsx.write(3, 1, 400);
+    xlsx.write(4, 1, "=SUM(B1:B4)");
 
-    workbook.save(DATA_PATH"Test.xlsx");
-    workbook.save(DATA_PATH"Test.zip");
+    xlsx.saveAs(DATA_PATH"Test.xlsx");
     return 0;
 }
diff --git a/examples/xlsx/image/main.cpp b/examples/xlsx/image/main.cpp
index 9a05111..d293d24 100644
--- a/examples/xlsx/image/main.cpp
+++ b/examples/xlsx/image/main.cpp
@@ -1,6 +1,5 @@
 #include <QtGui>
-#include "xlsxworkbook.h"
-#include "xlsxworksheet.h"
+#include "xlsxdocument.h"
 
 #ifdef Q_OS_MAC
 #  define DATA_PATH "../../../"
@@ -12,14 +11,13 @@ int main(int argc, char** argv)
 {
     QGuiApplication(argc, argv);
 
-    QXlsx::Workbook workbook;
-    QXlsx::Worksheet *sheet = workbook.addWorksheet();
+    QXlsx::Document xlsx;
+
     QImage image(400, 300, QImage::Format_RGB32);
     image.fill(Qt::green);
-    sheet->insertImage(5, 5, image);
+    xlsx.insertImage(5, 5, image);
 
-    workbook.save(DATA_PATH"Test.xlsx");
-//    workbook.save(DATA_PATH"Test2.zip");
+    xlsx.saveAs(DATA_PATH"Test.xlsx");
 
     return 0;
 }
diff --git a/examples/xlsx/mergecells/main.cpp b/examples/xlsx/mergecells/main.cpp
index 48fd3ef..2909ccc 100644
--- a/examples/xlsx/mergecells/main.cpp
+++ b/examples/xlsx/mergecells/main.cpp
@@ -1,6 +1,5 @@
 #include <QtGui>
-#include "xlsxworkbook.h"
-#include "xlsxworksheet.h"
+#include "xlsxdocument.h"
 
 #ifdef Q_OS_MAC
 #  define DATA_PATH "../../../"
@@ -12,16 +11,15 @@ int main(int argc, char** argv)
 {
     QGuiApplication(argc, argv);
 
-    QXlsx::Workbook workbook;
-    QXlsx::Worksheet *sheet = workbook.addWorksheet();
+    QXlsx::Document xlsx;
 
-    sheet->write("B1", "Merge Cells");
-    sheet->mergeCells("B1:B5");
+    xlsx.write("B1", "Merge Cells");
+    xlsx.mergeCells("B1:B5");
 
-    sheet->write("E2", "Merge Cells 2");
-    sheet->mergeCells("E2:G4");
+    xlsx.write("E2", "Merge Cells 2");
+    xlsx.mergeCells("E2:G4");
 
-    workbook.save(DATA_PATH"Test.xlsx");
+    xlsx.saveAs(DATA_PATH"Test.xlsx");
 
     return 0;
 }
diff --git a/examples/xlsx/style/main.cpp b/examples/xlsx/style/main.cpp
index 1d7e3fe..8c49253 100644
--- a/examples/xlsx/style/main.cpp
+++ b/examples/xlsx/style/main.cpp
@@ -1,6 +1,5 @@
 #include <QtCore>
-#include "xlsxworkbook.h"
-#include "xlsxworksheet.h"
+#include "xlsxdocument.h"
 #include "xlsxformat.h"
 
 #ifdef Q_OS_MAC
@@ -11,44 +10,42 @@
 
 int main()
 {
-    QXlsx::Workbook workbook;
-    QXlsx::Worksheet *sheet = workbook.addWorksheet();
-
-    QXlsx::Format *format1 = workbook.addFormat();
+    QXlsx::Document xlsx;
+    QXlsx::Format *format1 = xlsx.createFormat();
     format1->setFontColor(QColor(Qt::red));
     format1->setFontSize(15);
     format1->setHorizontalAlignment(QXlsx::Format::AlignHCenter);
     format1->setBorderStyle(QXlsx::Format::BorderDashDotDot);
-    sheet->write("A1", "Hello Qt!", format1);
-    sheet->write("B3", 12345, format1);
+    xlsx.write("A1", "Hello Qt!", format1);
+    xlsx.write("B3", 12345, format1);
 
-    QXlsx::Format *format2 = workbook.addFormat();
+    QXlsx::Format *format2 = xlsx.createFormat();
     format2->setFontBold(true);
     format2->setFontUnderline(QXlsx::Format::FontUnderlineDouble);
     format2->setFillPattern(QXlsx::Format::PatternLightUp);
-    sheet->write("C5", "=44+33", format2);
-    sheet->write("D7", true, format2);
+    xlsx.write("C5", "=44+33", format2);
+    xlsx.write("D7", true, format2);
 
-    QXlsx::Format *format3 = workbook.addFormat();
+    QXlsx::Format *format3 = xlsx.createFormat();
     format3->setFontBold(true);
     format3->setFontColor(QColor(Qt::blue));
     format3->setFontSize(20);
-    sheet->write(10, 0, "Hello Row Style");
-    sheet->write(10, 5, "Blue Color");
-    sheet->setRow(10, 40, format3);
+    xlsx.write(10, 0, "Hello Row Style");
+    xlsx.write(10, 5, "Blue Color");
+    xlsx.setRow(10, 40, format3);
 
-    QXlsx::Format *format4 = workbook.addFormat();
+    QXlsx::Format *format4 = xlsx.createFormat();
     format4->setFontBold(true);
     format4->setFontColor(QColor(Qt::magenta));
     for (int row=20; row<40; row++)
         for (int col=8; col<15; col++)
-            sheet->write(row, col, row+col);
-    sheet->setColumn(8, 15, 5.0, format4);
+            xlsx.write(row, col, row+col);
+    xlsx.setColumn(8, 15, 5.0, format4);
 
-    QXlsx::Format *format5 = workbook.addFormat();
+    QXlsx::Format *format5 = xlsx.createFormat();
     format5->setNumberFormat(22);
-    sheet->write("A5", QDate(2013, 8, 29), format5);
+    xlsx.write("A5", QDate(2013, 8, 29), format5);
 
-    workbook.save(DATA_PATH"TestStyle.xlsx");
+    xlsx.saveAs(DATA_PATH"TestStyle.xlsx");
     return 0;
 }
diff --git a/src/xlsx/xlsxdocument.cpp b/src/xlsx/xlsxdocument.cpp
index d6c3f70..3a63722 100644
--- a/src/xlsx/xlsxdocument.cpp
+++ b/src/xlsx/xlsxdocument.cpp
@@ -2,20 +2,27 @@
 #include "xlsxdocument_p.h"
 #include "xlsxworkbook.h"
 #include "xlsxworksheet.h"
+#include "xlsxpackage_p.h"
 
 #include <QFile>
+#include <QPointF>
 
 namespace QXlsx {
 
 DocumentPrivate::DocumentPrivate(Document *p) :
-    q_ptr(p), defaultPackageName(QStringLiteral("Book1"))
+    q_ptr(p), defaultPackageName(QStringLiteral("Book1.xlsx"))
 {
+    workbook = new Workbook(p);
+}
 
+void DocumentPrivate::init()
+{
+    if (workbook->worksheets().size() == 0)
+        workbook->addWorksheet();
 }
 
 bool DocumentPrivate::loadPackage(QIODevice *device)
 {
-
     return false;
 }
 
@@ -28,6 +35,7 @@ bool DocumentPrivate::loadPackage(QIODevice *device)
 Document::Document(QObject *parent) :
     QObject(parent), d_ptr(new DocumentPrivate(this))
 {
+    d_ptr->init();
 }
 
 Document::Document(const QString &name, QObject *parent) :
@@ -39,6 +47,7 @@ Document::Document(const QString &name, QObject *parent) :
         if (xlsx.open(QFile::ReadOnly))
             d_ptr->loadPackage(&xlsx);
     }
+    d_ptr->init();
 }
 
 Document::Document(QIODevice *device, QObject *parent) :
@@ -46,21 +55,158 @@ Document::Document(QIODevice *device, QObject *parent) :
 {
     if (device && device->isReadable())
         d_ptr->loadPackage(device);
+    d_ptr->init();
+}
+
+Format *Document::createFormat()
+{
+    Q_D(Document);
+    return d->workbook->addFormat();
+}
+
+int Document::write(const QString row_column, const QVariant &value, Format *format)
+{
+    return activedWorksheet()->write(row_column, value, format);
+}
+
+int Document::write(int row, int col, const QVariant &value, Format *format)
+{
+    return activedWorksheet()->write(row, col, value, format);
+}
+
+int Document::insertImage(int row, int column, const QImage &image, double xOffset, double yOffset, double xScale, double yScale)
+{
+    return activedWorksheet()->insertImage(row, column, image, QPointF(xOffset, yOffset), xScale, yScale);
+}
+
+int Document::mergeCells(const QString &range)
+{
+    return activedWorksheet()->mergeCells(range);
+}
+
+int Document::unmergeCells(const QString &range)
+{
+    return activedWorksheet()->unmergeCells(range);
+}
+
+bool Document::setRow(int row, double height, Format *format, bool hidden)
+{
+    return activedWorksheet()->setRow(row, height, format, hidden);
+}
+
+bool Document::setColumn(int colFirst, int colLast, double width, Format *format, bool hidden)
+{
+    return activedWorksheet()->setColumn(colFirst, colLast, width, format, hidden);
+}
+
+QString Document::documentProperty(const QString &key) const
+{
+    Q_D(const Document);
+    if (d->documentProperties.contains(key))
+        return d->documentProperties[key];
+    else
+        return QString();
+}
+
+/*!
+    Set the document properties such as Title, Author etc.
+
+    The method can be used to set the document properties of the Excel
+    file created by Qt Xlsx. These properties are visible when you use the
+    Office Button -> Prepare -> Properties option in Excel and are also
+    available to external applications that read or index windows files.
+
+    The properties \a key that can be set are:
+
+    \list
+    \li title
+    \li subject
+    \li creator
+    \li manager
+    \li company
+    \li category
+    \li keywords
+    \li description
+    \li status
+    \endlist
+*/
+void Document::setDocumentProperty(const QString &key, const QString &property)
+{
+    Q_D(Document);
+    d->documentProperties[key] = property;
+}
+
+QStringList Document::documentPropertyNames() const
+{
+    Q_D(const Document);
+    return d->documentProperties.keys();
+}
+
+Workbook *Document::workbook() const
+{
+    Q_D(const Document);
+    return d->workbook;
+}
+
+bool Document::addWorksheet(const QString &name)
+{
+    Q_D(Document);
+    return d->workbook->addWorksheet(name);
+}
+
+bool Document::insertWorkSheet(int index, const QString &name)
+{
+    Q_D(Document);
+    return d->workbook->insertWorkSheet(index, name);
+}
+
+Worksheet *Document::activedWorksheet() const
+{
+    Q_D(const Document);
+    if (d->workbook->worksheets().size() == 0)
+        return 0;
+
+    return d->workbook->worksheets().at(d->workbook->activedWorksheet());
+}
+
+int Document::activedWorksheetIndex() const
+{
+    Q_D(const Document);
+    return d->workbook->activedWorksheet();
+}
+
+void Document::setActivedWorksheetIndex(int index)
+{
+    Q_D(Document);
+    d->workbook->setActivedWorksheet(index);
 }
 
 bool Document::save()
 {
-    return false;
+    Q_D(Document);
+    QString name = d->packageName.isEmpty() ? d->defaultPackageName : d->packageName;
+
+    return saveAs(name);
 }
 
 bool Document::saveAs(const QString &name)
 {
+    QFile file(name);
+    if (file.open(QIODevice::WriteOnly))
+        return saveAs(&file);
     return false;
 }
 
 bool Document::saveAs(QIODevice *device)
 {
-    return false;
+    Q_D(Document);
+
+//    activedWorksheet()->setHidden(false);
+//    activedWorksheet()->setSelected(true);
+
+    //Create the package based on current workbook
+    Package package(this);
+    return package.createPackage(device);
 }
 
 Document::~Document()
diff --git a/src/xlsx/xlsxdocument.h b/src/xlsx/xlsxdocument.h
index 592eb1e..30acd9c 100644
--- a/src/xlsx/xlsxdocument.h
+++ b/src/xlsx/xlsxdocument.h
@@ -4,11 +4,15 @@
 #include "xlsxglobal.h"
 #include <QObject>
 class QIODevice;
+class QImage;
 
 namespace QXlsx {
 
 class Workbook;
 class Worksheet;
+class Package;
+class Format;
+
 class DocumentPrivate;
 class Q_XLSX_EXPORT Document : public QObject
 {
@@ -17,15 +21,36 @@ class Q_XLSX_EXPORT Document : public QObject
 
 public:
     explicit Document(QObject *parent = 0);
-    Document(const QString &name, QObject *parent=0);
+    Document(const QString &xlsxName, QObject *parent=0);
     Document(QIODevice *device, QObject *parent=0);
     ~Document();
 
+    Format *createFormat();
+    int write(const QString cell, const QVariant &value, Format *format=0);
+    int write(int row, int col, const QVariant &value, Format *format=0);
+    int insertImage(int row, int column, const QImage &image, double xOffset=0, double yOffset=0, double xScale=1, double yScale=1);
+    int mergeCells(const QString &range);
+    int unmergeCells(const QString &range);
+    bool setRow(int row, double height, Format* format=0, bool hidden=false);
+    bool setColumn(int colFirst, int colLast, double width, Format* format=0, bool hidden=false);
+
+    QString documentProperty(const QString &name) const;
+    void setDocumentProperty(const QString &name, const QString &property);
+    QStringList documentPropertyNames() const;
+
+    Workbook *workbook() const;
+    bool addWorksheet(const QString &name = QString());
+    bool insertWorkSheet(int index, const QString &name = QString());
+    Worksheet *activedWorksheet() const;
+    int activedWorksheetIndex() const;
+    void setActivedWorksheetIndex(int index);
+
     bool save();
-    bool saveAs(const QString &name);
+    bool saveAs(const QString &xlsXname);
     bool saveAs(QIODevice *device);
 
 private:
+    friend class Package;
     Q_DISABLE_COPY(Document)
     DocumentPrivate * const d_ptr;
 };
diff --git a/src/xlsx/xlsxdocument_p.h b/src/xlsx/xlsxdocument_p.h
index fa8ae51..733a87a 100644
--- a/src/xlsx/xlsxdocument_p.h
+++ b/src/xlsx/xlsxdocument_p.h
@@ -2,6 +2,9 @@
 #define XLSXDOCUMENT_P_H
 
 #include "xlsxdocument.h"
+#include "xlsxworkbook.h"
+
+#include <QMap>
 
 namespace QXlsx {
 
@@ -10,6 +13,7 @@ class DocumentPrivate
     Q_DECLARE_PUBLIC(Document)
 public:
     DocumentPrivate(Document *p);
+    void init();
 
     bool loadPackage(QIODevice *device);
 
@@ -17,6 +21,8 @@ public:
     const QString defaultPackageName; //default name when package name not specified
     QString packageName; //name of the .xlsx file
 
+    QMap<QString, QString> documentProperties; //core, app and custom properties
+    Workbook *workbook;
 };
 
 }
diff --git a/src/xlsx/xlsxpackage.cpp b/src/xlsx/xlsxpackage.cpp
index 59242fd..88f619e 100644
--- a/src/xlsx/xlsxpackage.cpp
+++ b/src/xlsx/xlsxpackage.cpp
@@ -76,9 +76,10 @@ namespace QXlsx {
     elements of the package and writes them into the XLSX file.
 */
 
-Package::Package(Workbook *workbook) :
-    m_workbook(workbook)
+Package::Package(Document *document) :
+    m_document(document)
 {
+    m_workbook = m_document->workbook();
     m_worksheet_count = 0;
     m_chartsheet_count = 0;
     foreach (Worksheet *sheet, m_workbook->worksheets()) {
@@ -89,17 +90,33 @@ Package::Package(Workbook *workbook) :
     }
 }
 
-bool Package::parsePackage(QIODevice *packageDevice, Document *document)
+bool Package::parsePackage(QIODevice *packageDevice)
 {
     ZipReader zipReader(packageDevice);
     QStringList filePaths = zipReader.filePaths();
 
+    if (!filePaths.contains(QLatin1String("_rels/.rel")))
+        return false;
+    Relationships rootRels = readRelsFile(zipReader, QStringLiteral("_rels/.rel"));
+
+
     return false;
 }
 
-bool Package::createPackage(const QString &packageName)
+Relationships Package::readRelsFile(ZipReader &zipReader, const QString &filePath)
+{
+    QByteArray relsData = zipReader.fileData(filePath);
+    QBuffer buffer(&relsData);
+    buffer.open(QIODevice::ReadOnly);
+
+    Relationships rels;
+    rels.loadFromXmlFile(&buffer);
+    return rels;
+}
+
+bool Package::createPackage(QIODevice *package)
 {
-    ZipWriter zipWriter(packageName);
+    ZipWriter zipWriter(package);
     if (zipWriter.error())
         return false;
 
@@ -208,8 +225,8 @@ void Package::writeDocPropsAppFile(ZipWriter &zipWriter)
 {
     DocPropsApp props;
 
-    foreach (QByteArray name, m_workbook->dynamicPropertyNames())
-        props.setProperty(name.data(), m_workbook->property(name.data()));
+    foreach (QString name, m_document->documentPropertyNames())
+        props.setProperty(name.toUtf8().data(), m_document->documentProperty(name));
 
     if (m_worksheet_count)
         props.addHeadingPair(QStringLiteral("Worksheets"), m_worksheet_count);
@@ -239,8 +256,8 @@ void Package::writeDocPropsCoreFile(ZipWriter &zipWriter)
 {
     DocPropsCore props;
 
-    foreach (QByteArray name, m_workbook->dynamicPropertyNames())
-        props.setProperty(name.data(), m_workbook->property(name.data()));
+    foreach (QString name, m_document->documentPropertyNames())
+        props.setProperty(name.toUtf8().data(), m_document->documentProperty(name));
 
     QByteArray data;
     QBuffer buffer(&data);
diff --git a/src/xlsx/xlsxpackage_p.h b/src/xlsx/xlsxpackage_p.h
index b5b5f2b..e53ec8a 100644
--- a/src/xlsx/xlsxpackage_p.h
+++ b/src/xlsx/xlsxpackage_p.h
@@ -33,17 +33,21 @@ namespace QXlsx {
 
 class Workbook;
 class ZipWriter;
+class ZipReader;
 class Document;
+class Relationships;
 
 class XLSX_AUTOTEST_EXPORT Package
 {
 public:
-    Package(Workbook *workbook);
+    Package(Document *document);
 
-    bool parsePackage(QIODevice *packageDevice, Document *document);
-    bool createPackage(const QString &packageName);
+    bool parsePackage(QIODevice *packageDevice);
+    bool createPackage(QIODevice *package);
 
 private:
+    Relationships readRelsFile(ZipReader &reader, const QString &filePath);
+
     void writeWorksheetFiles(ZipWriter &zipWriter);
 //    void writeChartsheetFiles(ZipWriter &zipWriter);
     void writeWorkbookFile(ZipWriter &zipWriter);
@@ -66,7 +70,8 @@ private:
     void writeImageFiles(ZipWriter &zipWriter);
 //    void writeVbaProjectFiles(ZipWriter &zipWriter);
 
-    Workbook * m_workbook;
+    Document *m_document;
+    Workbook *m_workbook;
     int m_worksheet_count;
     int m_chartsheet_count;
 };
diff --git a/src/xlsx/xlsxworkbook.cpp b/src/xlsx/xlsxworkbook.cpp
index 96c432a..87b650e 100755
--- a/src/xlsx/xlsxworkbook.cpp
+++ b/src/xlsx/xlsxworkbook.cpp
@@ -32,6 +32,8 @@
 #include "xlsxxmlwriter_p.h"
 #include "xlsxworksheet_p.h"
 
+#include <QFile>
+
 namespace QXlsx {
 
 WorkbookPrivate::WorkbookPrivate(Workbook *q) :
@@ -52,31 +54,6 @@ WorkbookPrivate::WorkbookPrivate(Workbook *q) :
     table_count = 0;
 }
 
-/*!
-    \fn void Workbook::setProperty(const char *key, const QString &value)
-
-    Set the document properties such as Title, Author etc.
-
-    The method can be used to set the document properties of the Excel
-    file created by Qt Xlsx. These properties are visible when you use the
-    Office Button -> Prepare -> Properties option in Excel and are also
-    available to external applications that read or index windows files.
-
-    The properties \a key that can be set are:
-
-    \list
-    \li title
-    \li subject
-    \li creator
-    \li manager
-    \li company
-    \li category
-    \li keywords
-    \li description
-    \li status
-    \endlist
-*/
-
 Workbook::Workbook(QObject *parent) :
     QObject(parent), d_ptr(new WorkbookPrivate(this))
 {
@@ -88,26 +65,6 @@ Workbook::~Workbook()
     delete d_ptr;
 }
 
-bool Workbook::save(const QString &name)
-{
-    Q_D(Workbook);
-
-    //Add a default worksheet if non have been added.
-    if (d->worksheets.size() == 0)
-        addWorksheet();
-
-    //Ensure that at least one worksheet has been selected.
-    int actIndex = d->activesheet;
-    if (actIndex < 0 || actIndex >= d->worksheets.size())
-        actIndex = 0;
-    d->worksheets[actIndex]->setHidden(false);
-    d->worksheets[actIndex]->setSelected(true);
-
-    //Create the package based on current workbook
-    Package package(this);
-    return package.createPackage(name);
-}
-
 bool Workbook::isDate1904() const
 {
     Q_D(const Workbook);
@@ -183,6 +140,7 @@ Worksheet *Workbook::insertWorkSheet(int index, const QString &name)
 
     Worksheet *sheet = new Worksheet(worksheetName, this);
     d->worksheets.insert(index, sheet);
+    d->activesheet = index;
     return sheet;
 }
 
@@ -195,6 +153,10 @@ int Workbook::activedWorksheet() const
 void Workbook::setActivedWorksheet(int index)
 {
     Q_D(Workbook);
+    if (index < 0 || index >= d->worksheets.size()) {
+        //warning
+        return;
+    }
     d->activesheet = index;
 }
 
diff --git a/src/xlsx/xlsxworkbook.h b/src/xlsx/xlsxworkbook.h
index 989560b..dc55783 100755
--- a/src/xlsx/xlsxworkbook.h
+++ b/src/xlsx/xlsxworkbook.h
@@ -63,12 +63,6 @@ public:
     bool isStringsToNumbersEnabled() const;
     void setStringsToNumbersEnabled(bool enable=true);
 
-#ifdef Q_QDOC
-    bool setProperty(const char *key, const QString &value);
-#endif
-
-    bool save(const QString &name);
-
 private:
     friend class Package;
     friend class Worksheet;
diff --git a/src/xlsx/xlsxzipwriter.cpp b/src/xlsx/xlsxzipwriter.cpp
index 3bd91e3..66f7118 100644
--- a/src/xlsx/xlsxzipwriter.cpp
+++ b/src/xlsx/xlsxzipwriter.cpp
@@ -35,6 +35,13 @@ ZipWriter::ZipWriter(const QString &filePath, QObject *parent) :
     m_writer->setCompressionPolicy(QZipWriter::NeverCompress);
 }
 
+ZipWriter::ZipWriter(QIODevice *device, QObject *parent) :
+    QObject(parent)
+{
+    m_writer = new QZipWriter(device);
+    m_writer->setCompressionPolicy(QZipWriter::NeverCompress);
+}
+
 ZipWriter::~ZipWriter()
 {
     delete m_writer;
diff --git a/src/xlsx/xlsxzipwriter_p.h b/src/xlsx/xlsxzipwriter_p.h
index 9814c6e..1302ebc 100644
--- a/src/xlsx/xlsxzipwriter_p.h
+++ b/src/xlsx/xlsxzipwriter_p.h
@@ -36,6 +36,7 @@ class ZipWriter : public QObject
     Q_OBJECT
 public:
     explicit ZipWriter(const QString &filePath, QObject *parent = 0);
+    explicit ZipWriter(QIODevice *device, QObject *parent = 0);
     ~ZipWriter();
 
     void addFile(const QString &filePath, QIODevice *device);