diff --git a/examples/xlsx/demo/main.cpp b/examples/xlsx/demo/main.cpp
index d565e1b..1bb732b 100644
--- a/examples/xlsx/demo/main.cpp
+++ b/examples/xlsx/demo/main.cpp
@@ -94,7 +94,7 @@ int main()
 
     //---------------------------------------------------------------
     //The default sheet is "Sheet1"
-    xlsx.setSheetName("Aligns & Borders");
+    xlsx.renameWorksheet("Sheet1", "Aligns & Borders");
     xlsx.setColumn("B", "B", 20);
     xlsx.setColumn("H", "H", 12);
     xlsx.currentWorksheet()->setGridLinesVisible(false);
diff --git a/src/xlsx/xlsxdocument.cpp b/src/xlsx/xlsxdocument.cpp
index dff9953..e907474 100644
--- a/src/xlsx/xlsxdocument.cpp
+++ b/src/xlsx/xlsxdocument.cpp
@@ -42,7 +42,7 @@ DocumentPrivate::DocumentPrivate(Document *p) :
 
 void DocumentPrivate::init()
 {
-    if (workbook->worksheets().size() == 0)
+    if (workbook->worksheetCount() == 0)
         workbook->addWorksheet();
 }
 
@@ -375,19 +375,56 @@ bool Document::insertWorkSheet(int index, const QString &name)
     return d->workbook->insertWorkSheet(index, name);
 }
 
+/*!
+   Rename the worksheet from \a oldName to \a newName.
+   Returns true if the success.
+ */
+bool Document::renameWorksheet(const QString &oldName, const QString &newName)
+{
+    Q_D(Document);
+    if (oldName == newName)
+        return false;
+    return d->workbook->renameWorksheet(worksheetNames().indexOf(oldName), newName);
+}
+
+/*!
+   Make a copy of the worksheet \a srcName with the new name \a distName.
+   Returns true if the success.
+ */
+bool Document::copyWorksheet(const QString &srcName, const QString &distName)
+{
+    Q_D(Document);
+    if (srcName == distName)
+        return false;
+    return d->workbook->copyWorksheet(worksheetNames().indexOf(srcName), distName);
+}
+
+/*!
+   Move the worksheet \a srcName to the new pos \a distIndex.
+   Returns true if the success.
+ */
+bool Document::moveWorksheet(const QString &srcName, int distIndex)
+{
+    Q_D(Document);
+    return d->workbook->moveWorksheet(worksheetNames().indexOf(srcName), distIndex);
+}
+
+/*!
+   Delete the worksheet \a name.
+ */
+bool Document::deleteWorksheet(const QString &name)
+{
+    Q_D(Document);
+    return d->workbook->deleteWorksheet(worksheetNames().indexOf(name));
+}
+
 /*!
    Rename current worksheet to new \a name.
    Returns true if the name defined successful.
  */
 bool Document::setSheetName(const QString &name)
 {
-    Q_D(Document);
-    for (int i=0; i<d->workbook->worksheets().size(); ++i) {
-        if (d->workbook->worksheets()[i]->sheetName() == name)
-            return false;
-    }
-    currentWorksheet()->setSheetName(name);
-    return true;
+    return renameWorksheet(currentWorksheet()->sheetName(), name);
 }
 
 /*!
@@ -396,10 +433,10 @@ bool Document::setSheetName(const QString &name)
 Worksheet *Document::currentWorksheet() const
 {
     Q_D(const Document);
-    if (d->workbook->worksheets().size() == 0)
+    if (d->workbook->worksheetCount() == 0)
         return 0;
 
-    return d->workbook->worksheets().at(d->workbook->activeWorksheet()).data();
+    return d->workbook->activeWorksheet();
 }
 
 /*!
@@ -412,15 +449,37 @@ void Document::setCurrentWorksheet(int index)
 }
 
 /*!
- * \brief Set current worksheet to be the sheet named \a name.
+ * \brief Set current selected worksheet to be the sheet named \a name.
  */
 void Document::setCurrentWorksheet(const QString &name)
+{
+    selectWorksheet(name);
+}
+
+/*!
+ * \brief Set current selected worksheet to be the sheet named \a name.
+ */
+bool Document::selectWorksheet(const QString &name)
 {
     Q_D(Document);
-    for (int i=0; i<d->workbook->worksheets().size(); ++i) {
-        if (d->workbook->worksheets()[i]->sheetName() == name)
-            d->workbook->setActiveWorksheet(i);
+    for (int i=0; i<d->workbook->worksheetCount(); ++i) {
+        if (d->workbook->worksheet(i)->sheetName() == name)
+            return d->workbook->setActiveWorksheet(i);
     }
+    return false;
+}
+
+/*!
+ * Returns the names of worksheets contained in current document.
+ */
+QStringList Document::worksheetNames() const
+{
+    Q_D(const Document);
+    QStringList names;
+    for (int i=0; i<d->workbook->worksheetCount(); ++i)
+        names.append(d->workbook->worksheet(i)->sheetName());
+
+    return names;
 }
 
 /*!
diff --git a/src/xlsx/xlsxdocument.h b/src/xlsx/xlsxdocument.h
index 892f6a7..0ff8165 100644
--- a/src/xlsx/xlsxdocument.h
+++ b/src/xlsx/xlsxdocument.h
@@ -83,14 +83,20 @@ public:
     void setDocumentProperty(const QString &name, const QString &property);
     QStringList documentPropertyNames() const;
 
+    QStringList worksheetNames() const;
     bool addWorksheet(const QString &name = QString());
     bool insertWorkSheet(int index, const QString &name = QString());
-    bool setSheetName(const QString &name);
+    bool selectWorksheet(const QString &name);
+    bool renameWorksheet(const QString &oldName, const QString &newName);
+    bool copyWorksheet(const QString &srcName, const QString &distName);
+    bool moveWorksheet(const QString &srcName, int distIndex);
+    bool deleteWorksheet(const QString &name);
 
     Workbook *workbook() const;
     Worksheet *currentWorksheet() const;
-    void setCurrentWorksheet(int index);
-    void setCurrentWorksheet(const QString &name);
+    Q_DECL_DEPRECATED bool setSheetName(const QString &name);
+    Q_DECL_DEPRECATED void setCurrentWorksheet(int index);
+    Q_DECL_DEPRECATED void setCurrentWorksheet(const QString &name);
 
     bool save();
     bool saveAs(const QString &xlsXname);
diff --git a/src/xlsx/xlsxpackage.cpp b/src/xlsx/xlsxpackage.cpp
index c750625..a3b2608 100644
--- a/src/xlsx/xlsxpackage.cpp
+++ b/src/xlsx/xlsxpackage.cpp
@@ -80,7 +80,6 @@ namespace QXlsx {
     The Packager class coordinates the classes that represent the
     elements of the package and writes them into the XLSX file.
 */
-typedef QSharedPointer<Worksheet> WorksheetPtrType;
 
 Package::Package(Document *document) :
     m_document(document)
@@ -88,7 +87,8 @@ Package::Package(Document *document) :
     m_workbook = m_document->workbook();
     m_worksheet_count = 0;
     m_chartsheet_count = 0;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet())
             m_chartsheet_count += 1;
         else
@@ -226,13 +226,12 @@ bool Package::createPackage(QIODevice *package)
 
 void Package::writeWorksheetFiles(ZipWriter &zipWriter)
 {
-    int index = 1;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet())
             continue;
 
-        zipWriter.addFile(QStringLiteral("xl/worksheets/sheet%1.xml").arg(index), sheet->saveToXmlData());
-        index += 1;
+        zipWriter.addFile(QStringLiteral("xl/worksheets/sheet%1.xml").arg(i+1), sheet->saveToXmlData());
     }
 }
 
@@ -258,13 +257,12 @@ void Package::writeContentTypesFile(ZipWriter &zipWriter)
 {
     ContentTypes content;
 
-    int worksheet_index = 1;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet()) {
 
         } else {
-            content.addWorksheetName(QStringLiteral("sheet%1").arg(worksheet_index));
-            worksheet_index += 1;
+            content.addWorksheetName(QStringLiteral("sheet%1").arg(i+1));
         }
     }
 
@@ -301,13 +299,15 @@ void Package::writeDocPropsAppFile(ZipWriter &zipWriter)
         props.addHeadingPair(QStringLiteral("Chartsheets"), m_chartsheet_count);
 
     //Add worksheet parts
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()){
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (!sheet->isChartsheet())
             props.addPartTitle(sheet->sheetName());
     }
 
     //Add the chartsheet parts
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()){
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet())
             props.addPartTitle(sheet->sheetName());
     }
@@ -360,7 +360,8 @@ void Package::writeWorkbookRelsFile(ZipWriter &zipWriter)
 
     int worksheet_index = 1;
     int chartsheet_index = 1;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet()) {
             rels.addDocumentRelationship(QStringLiteral("/chartsheet"), QStringLiteral("chartsheets/sheet%1.xml").arg(chartsheet_index));
             chartsheet_index += 1;
@@ -381,8 +382,8 @@ void Package::writeWorkbookRelsFile(ZipWriter &zipWriter)
 
 void Package::writeWorksheetRelsFiles(ZipWriter &zipWriter)
 {
-    int index = 1;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->isChartsheet())
             continue;
         Relationships rels;
@@ -392,15 +393,14 @@ void Package::writeWorksheetRelsFiles(ZipWriter &zipWriter)
         foreach (QString link, sheet->externDrawingList())
             rels.addWorksheetRelationship(QStringLiteral("/drawing"), link);
 
-        zipWriter.addFile(QStringLiteral("xl/worksheets/_rels/sheet%1.xml.rels").arg(index), rels.saveToXmlData());
-        index += 1;
+        zipWriter.addFile(QStringLiteral("xl/worksheets/_rels/sheet%1.xml.rels").arg(i+1), rels.saveToXmlData());
     }
 }
 
 void Package::writeDrawingRelsFiles(ZipWriter &zipWriter)
 {
-    int index = 1;
-    foreach (WorksheetPtrType sheet, m_workbook->worksheets()) {
+    for (int i=0; i<m_workbook->worksheetCount(); ++i) {
+        Worksheet *sheet = m_workbook->worksheet(i);
         if (sheet->drawingLinks().size() == 0)
             continue;
         Relationships rels;
@@ -409,8 +409,7 @@ void Package::writeDrawingRelsFiles(ZipWriter &zipWriter)
         foreach (PairType pair, sheet->drawingLinks())
             rels.addDocumentRelationship(pair.first, pair.second);
 
-        zipWriter.addFile(QStringLiteral("xl/drawings/_rels/drawing%1.xml.rels").arg(index), rels.saveToXmlData());
-        index += 1;
+        zipWriter.addFile(QStringLiteral("xl/drawings/_rels/drawing%1.xml.rels").arg(i+1), rels.saveToXmlData());
     }
 }
 
diff --git a/src/xlsx/xlsxworkbook.cpp b/src/xlsx/xlsxworkbook.cpp
index dd86ce8..6456273 100755
--- a/src/xlsx/xlsxworkbook.cpp
+++ b/src/xlsx/xlsxworkbook.cpp
@@ -54,7 +54,7 @@ WorkbookPrivate::WorkbookPrivate(Workbook *q) :
     strings_to_numbers_enabled = false;
     date1904 = false;
     defaultDateFormat = QStringLiteral("yyyy-mm-dd");
-    activesheet = 0;
+    activesheetIndex = 0;
     firstsheet = 0;
     table_count = 0;
 
@@ -205,24 +205,85 @@ Worksheet *Workbook::insertWorkSheet(int index, const QString &name)
     ++d->last_sheet_id;
     Worksheet *sheet = new Worksheet(worksheetName, d->last_sheet_id, this);
     d->worksheets.insert(index, QSharedPointer<Worksheet>(sheet));
-    d->activesheet = index;
+    d->activesheetIndex = index;
     return sheet;
 }
 
-int Workbook::activeWorksheet() const
+/*!
+ * Returns current active worksheet.
+ */
+Worksheet *Workbook::activeWorksheet() const
 {
     Q_D(const Workbook);
-    return d->activesheet;
+    return d->worksheets[d->activesheetIndex].data();
 }
 
-void Workbook::setActiveWorksheet(int index)
+bool Workbook::setActiveWorksheet(int index)
 {
     Q_D(Workbook);
     if (index < 0 || index >= d->worksheets.size()) {
         //warning
-        return;
+        return false;
     }
-    d->activesheet = index;
+    d->activesheetIndex = index;
+    return true;
+}
+
+/*!
+ * Rename the worksheet at the \a index to \a name.
+ */
+bool Workbook::renameWorksheet(int index, const QString &name)
+{
+    Q_D(Workbook);
+    //If user given an already in-used name, return false
+    for (int i=0; i<d->worksheets.size(); ++i) {
+        if (d->worksheets[i]->sheetName() == name)
+            return false;
+    }
+
+    d->worksheets[index]->setSheetName(name);
+    return true;
+}
+
+/*!
+ * Remove the worksheet at pos \a index.
+ */
+bool Workbook::deleteWorksheet(int index)
+{
+    Q_D(Workbook);
+    if (index < 0 || index >= d->worksheets.size())
+        return false;
+    d->worksheets.removeAt(index);
+    return true;
+}
+
+/*!
+ * Moves the worksheet form \a srcIndex to \a distIndex.
+ */
+bool Workbook::moveWorksheet(int srcIndex, int distIndex)
+{
+    Q_D(Workbook);
+    if (srcIndex == distIndex)
+        return false;
+
+    if (srcIndex < 0 || srcIndex >= d->worksheets.size())
+        return false;
+
+    QSharedPointer<Worksheet> sheet = d->worksheets.takeAt(srcIndex);
+    if (distIndex >= 0 || distIndex <= d->worksheets.size())
+        d->worksheets.insert(distIndex, sheet);
+    else
+        d->worksheets.append(sheet);
+    return true;
+}
+
+bool Workbook::copyWorksheet(int index, const QString &newName)
+{
+    Q_D(Workbook);
+    if (index < 0 || index >= d->worksheets.size())
+        return false;
+    //! Todo
+    return false;
 }
 
 QList<QSharedPointer<Worksheet> > Workbook::worksheets() const
@@ -231,6 +292,26 @@ QList<QSharedPointer<Worksheet> > Workbook::worksheets() const
     return d->worksheets;
 }
 
+/*!
+ * Returns count of worksheets.
+ */
+int Workbook::worksheetCount() const
+{
+    Q_D(const Workbook);
+    return d->worksheets.count();
+}
+
+/*!
+ * Returns the sheet object at index \a sheetIndex.
+ */
+Worksheet *Workbook::worksheet(int index) const
+{
+    Q_D(const Workbook);
+    if (index < 0 || index >= d->worksheets.size())
+        return 0;
+    return d->worksheets.at(index).data();
+}
+
 SharedStrings *Workbook::sharedStrings() const
 {
     Q_D(const Workbook);
@@ -321,8 +402,8 @@ void Workbook::saveToXmlFile(QIODevice *device)
     if (d->firstsheet > 0)
         writer.writeAttribute(QStringLiteral("firstSheet"), QString::number(d->firstsheet + 1));
     //Store the activeTab when it isn't the first sheet
-    if (d->activesheet > 0)
-        writer.writeAttribute(QStringLiteral("activeTab"), QString::number(d->activesheet));
+    if (d->activesheetIndex > 0)
+        writer.writeAttribute(QStringLiteral("activeTab"), QString::number(d->activesheetIndex));
     writer.writeEndElement();//bookViews
 
     writer.writeStartElement(QStringLiteral("sheets"));
@@ -415,7 +496,7 @@ bool Workbook::loadFromXmlFile(QIODevice *device)
                             if (attrs.hasAttribute(QLatin1String("firstSheet")))
                                 d->firstsheet = attrs.value(QLatin1String("firstSheet")).toString().toInt();
                             if (attrs.hasAttribute(QLatin1String("activeTab")))
-                                d->activesheet = attrs.value(QLatin1String("activeTab")).toString().toInt();
+                                d->activesheetIndex = attrs.value(QLatin1String("activeTab")).toString().toInt();
                         }
                     }
                 }
diff --git a/src/xlsx/xlsxworkbook.h b/src/xlsx/xlsxworkbook.h
index 64932b7..24e5970 100755
--- a/src/xlsx/xlsxworkbook.h
+++ b/src/xlsx/xlsxworkbook.h
@@ -50,11 +50,19 @@ class Q_XLSX_EXPORT Workbook
 public:
     ~Workbook();
 
-    QList<QSharedPointer<Worksheet> > worksheets() const;
+    Q_DECL_DEPRECATED QList<QSharedPointer<Worksheet> > worksheets() const;
+    int worksheetCount() const;
+    Worksheet *worksheet(int sheetIndex) const;
+
     Worksheet *addWorksheet(const QString &name = QString());
     Worksheet *insertWorkSheet(int index, const QString &name = QString());
-    int activeWorksheet() const;
-    void setActiveWorksheet(int index);
+    bool renameWorksheet(int index, const QString &name);
+    bool deleteWorksheet(int index);
+    bool copyWorksheet(int index, const QString &newName);
+    bool moveWorksheet(int srcIndex, int distIndex);
+
+    Worksheet *activeWorksheet() const;
+    bool setActiveWorksheet(int index);
 
 //    void addChart();
     bool defineName(const QString &name, const QString &formula, const QString &comment=QString(), const QString &scope=QString());
diff --git a/src/xlsx/xlsxworkbook_p.h b/src/xlsx/xlsxworkbook_p.h
index 522508e..b7f0140 100644
--- a/src/xlsx/xlsxworkbook_p.h
+++ b/src/xlsx/xlsxworkbook_p.h
@@ -97,7 +97,7 @@ public:
     int window_width;
     int window_height;
 
-    int activesheet;
+    int activesheetIndex;
     int firstsheet;
     int table_count;
 
diff --git a/src/xlsx/xlsxworksheet.cpp b/src/xlsx/xlsxworksheet.cpp
index a02e2a3..de3a30c 100755
--- a/src/xlsx/xlsxworksheet.cpp
+++ b/src/xlsx/xlsxworksheet.cpp
@@ -198,6 +198,9 @@ QString Worksheet::sheetName() const
     return d->name;
 }
 
+/*!
+ * \internal
+ */
 void Worksheet::setSheetName(const QString &sheetName)
 {
     Q_D(Worksheet);