diff --git a/include/oox/core/filterbase.hxx b/include/oox/core/filterbase.hxx
index 73af247ae6a2..2877246a8714 100644
--- a/include/oox/core/filterbase.hxx
+++ b/include/oox/core/filterbase.hxx
@@ -236,6 +236,8 @@ public:
 
     bool isExportTemplate() const;
 
+    bool isExportSlideShow() const;
+
 protected:
     virtual css::uno::Reference< css::io::XInputStream >
                         implGetInputStream( comphelper::SequenceAsHashMap& rMediaDesc ) const;
diff --git a/include/test/unoapi_test.hxx b/include/test/unoapi_test.hxx
index 151ce29247cf..cc51439af17d 100644
--- a/include/test/unoapi_test.hxx
+++ b/include/test/unoapi_test.hxx
@@ -64,6 +64,7 @@ enum class TestFilter
     POTX,
     PPT,
     PPTM,
+    PPSX,
     PPTX,
     PPTX_2007,
     RTF,
@@ -111,6 +112,7 @@ const std::unordered_map<TestFilter, OUString> TestFilterNames{
     { TestFilter::POTX, u"Impress Office Open XML Template"_ustr },
     { TestFilter::PPT, u"MS PowerPoint 97"_ustr },
     { TestFilter::PPTM, u"Impress MS PowerPoint 2007 XML VBA"_ustr },
+    { TestFilter::PPSX, u"Impress MS PowerPoint 2007 XML AutoPlay"_ustr },
     { TestFilter::PPTX, u"Impress Office Open XML"_ustr },
     { TestFilter::PPTX_2007, u"Impress MS PowerPoint 2007 XML"_ustr },
     { TestFilter::RTF, u"Rich Text Format"_ustr },
diff --git a/oox/source/core/filterbase.cxx b/oox/source/core/filterbase.cxx
index 5542b7de26fa..76538d670ecd 100644
--- a/oox/source/core/filterbase.cxx
+++ b/oox/source/core/filterbase.cxx
@@ -157,6 +157,8 @@ struct FilterBaseImpl
 
     bool mbExportTemplate;
 
+    bool mbExportSlideShow;
+
     /// @throws RuntimeException
     explicit            FilterBaseImpl( const Reference< XComponentContext >& rxContext );
 
@@ -169,7 +171,8 @@ FilterBaseImpl::FilterBaseImpl( const Reference< XComponentContext >& rxContext
     meVersion(ECMA_376_1ST_EDITION),
     mxComponentContext( rxContext, UNO_SET_THROW ),
     mbExportVBA(false),
-    mbExportTemplate(false)
+    mbExportTemplate(false),
+    mbExportSlideShow(false)
 {
 }
 
@@ -436,6 +439,7 @@ void SAL_CALL FilterBase::initialize( const Sequence< Any >& rArgs )
             sal_Int32 nFlags(0);
             rVal.Value >>= nFlags;
             mxImpl->mbExportTemplate = bool(static_cast<SfxFilterFlags>(nFlags) & SfxFilterFlags::TEMPLATE);
+            mxImpl->mbExportSlideShow = bool(static_cast<SfxFilterFlags>(nFlags) & SfxFilterFlags::STARTPRESENTATION);
         }
     }
 }
@@ -590,6 +594,11 @@ bool FilterBase::isExportTemplate() const
     return mxImpl->mbExportTemplate;
 }
 
+bool FilterBase::isExportSlideShow() const
+{
+    return mxImpl->mbExportSlideShow;
+}
+
 } // namespace oox::core
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/oox/source/ppt/pptimport.cxx b/oox/source/ppt/pptimport.cxx
index 0bab6e8b8f23..82e24f75119c 100644
--- a/oox/source/ppt/pptimport.cxx
+++ b/oox/source/ppt/pptimport.cxx
@@ -223,6 +223,7 @@ sal_Bool SAL_CALL PowerPointImport::filter( const Sequence< PropertyValue >& rDe
         {
             {"IsPPTM", uno::Any(exportVBA())},
             {"IsTemplate", uno::Any(isExportTemplate())},
+            {"IsSlideShow", uno::Any(isExportSlideShow())},
         }));
 
         Reference<css::lang::XMultiServiceFactory> aFactory(getComponentContext()->getServiceManager(), UNO_QUERY_THROW);
diff --git a/sd/qa/unit/data/ppsx/tdf114443-6.ppsx b/sd/qa/unit/data/ppsx/tdf114443-6.ppsx
new file mode 100644
index 000000000000..3f1765c6df40
Binary files /dev/null and b/sd/qa/unit/data/ppsx/tdf114443-6.ppsx differ
diff --git a/sd/qa/unit/export-tests-ooxml4.cxx b/sd/qa/unit/export-tests-ooxml4.cxx
index bb4ff075e941..7c43efdf74df 100644
--- a/sd/qa/unit/export-tests-ooxml4.cxx
+++ b/sd/qa/unit/export-tests-ooxml4.cxx
@@ -2023,6 +2023,22 @@ CPPUNIT_TEST_FIXTURE(SdOOXMLExportTest4, testTdf169559)
         "val", u"1701");
 }
 
+CPPUNIT_TEST_FIXTURE(SdOOXMLExportTest4, testTdf114443_PPSX)
+{
+    createSdImpressDoc("ppsx/tdf114443-6.ppsx");
+    save(TestFilter::PPSX);
+
+    xmlDocUniquePtr pXmlDoc = parseExport(u"[Content_Types].xml"_ustr);
+
+    // Without the fix, this would have been:
+    //   application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml
+    // which means the file loses its slideshow/autoplay nature and PowerPoint rejects it.
+    assertXPath(pXmlDoc,
+                "/ContentType:Types/ContentType:Override[@PartName='/ppt/presentation.xml']",
+                "ContentType",
+                u"application/vnd.openxmlformats-officedocument.presentationml.slideshow.main+xml");
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sd/source/filter/eppt/epptooxml.hxx b/sd/source/filter/eppt/epptooxml.hxx
index d1b3ec72f833..effb658ef0a2 100644
--- a/sd/source/filter/eppt/epptooxml.hxx
+++ b/sd/source/filter/eppt/epptooxml.hxx
@@ -142,6 +142,9 @@ private:
     // Export as a template
     bool mbExportTemplate;
 
+    // Export as a slideshow (PPSX/PPSM)
+    bool mbSlideShow;
+
     ::sax_fastparser::FSHelperPtr mPresentationFS;
 
     LayoutInfo mLayoutInfo[AUTOLAYOUT_END];
diff --git a/sd/source/filter/eppt/pptx-epptooxml.cxx b/sd/source/filter/eppt/pptx-epptooxml.cxx
index d4a41b0ceefb..25038717efc4 100644
--- a/sd/source/filter/eppt/pptx-epptooxml.cxx
+++ b/sd/source/filter/eppt/pptx-epptooxml.cxx
@@ -403,6 +403,7 @@ PowerPointExport::PowerPointExport(const Reference< XComponentContext >& rContex
     comphelper::SequenceAsHashMap aArgumentsMap(rArguments);
     mbPptm = aArgumentsMap.getUnpackedValueOrDefault(u"IsPPTM"_ustr, false);
     mbExportTemplate = aArgumentsMap.getUnpackedValueOrDefault(u"IsTemplate"_ustr, false);
+    mbSlideShow = aArgumentsMap.getUnpackedValueOrDefault(u"IsSlideShow"_ustr, false);
 }
 
 PowerPointExport::~PowerPointExport()
@@ -463,6 +464,10 @@ bool PowerPointExport::exportDocument()
         {
             aMediaType = "application/vnd.ms-powerpoint.template.macroEnabled.main+xml";
         }
+        else if (mbSlideShow)
+        {
+            aMediaType = "application/vnd.ms-powerpoint.slideshow.macroEnabled.main+xml";
+        }
         else
         {
             aMediaType = "application/vnd.ms-powerpoint.presentation.macroEnabled.main+xml";
@@ -474,6 +479,10 @@ bool PowerPointExport::exportDocument()
         {
             aMediaType = "application/vnd.openxmlformats-officedocument.presentationml.template.main+xml";
         }
+        else if (mbSlideShow)
+        {
+            aMediaType = "application/vnd.openxmlformats-officedocument.presentationml.slideshow.main+xml";
+        }
         else
         {
             aMediaType = "application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml";