diff --git a/comphelper/source/xml/xmltools.cxx b/comphelper/source/xml/xmltools.cxx
index b1fcc6a5b59a..ace7d2661e3b 100644
--- a/comphelper/source/xml/xmltools.cxx
+++ b/comphelper/source/xml/xmltools.cxx
@@ -9,6 +9,7 @@
 
 #include <comphelper/xmltools.hxx>
 #include <rtl/random.h>
+#include <rtl/uuid.h>
 #include <vector>
 
 using namespace com::sun::star;
@@ -91,6 +92,19 @@ namespace comphelper
 
             return OString(reinterpret_cast<const sal_Char*>(&aChaff[0]), nLength);
         }
+
+        OString generateGUIDString()
+        {
+            sal_uInt8 aSeq[16];
+            rtl_createUuid(aSeq, nullptr, true);
+
+            char str[39];
+            sprintf(str, "{%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
+                    aSeq[0], aSeq[1], aSeq[2], aSeq[3], aSeq[4], aSeq[5], aSeq[6], aSeq[7], aSeq[8],
+                    aSeq[9], aSeq[10], aSeq[11], aSeq[12], aSeq[13], aSeq[14], aSeq[15]);
+
+            return OString(str, SAL_N_ELEMENTS(str));
+        }
     }
 }
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/comphelper/xmltools.hxx b/include/comphelper/xmltools.hxx
index 5f5bec9b94ad..85915ec47f9a 100644
--- a/include/comphelper/xmltools.hxx
+++ b/include/comphelper/xmltools.hxx
@@ -20,6 +20,8 @@ namespace comphelper
     namespace xml
     {
         COMPHELPER_DLLPUBLIC OString makeXMLChaff();
+        COMPHELPER_DLLPUBLIC OString generateGUIDString();
+
     }
 }
 
diff --git a/include/oox/export/drawingml.hxx b/include/oox/export/drawingml.hxx
index 276e18d0bcc2..69d1d6657fad 100644
--- a/include/oox/export/drawingml.hxx
+++ b/include/oox/export/drawingml.hxx
@@ -230,8 +230,6 @@ public:
 
     static void ResetCounters();
 
-    static OString GetUUID();
-
     static sal_Unicode SubstituteBullet( sal_Unicode cBulletId, css::awt::FontDescriptor& rFontDesc );
 
     static sal_uInt32 ColorWithIntensity( sal_uInt32 nColor, sal_uInt32 nIntensity );
diff --git a/oox/source/export/drawingml.cxx b/oox/source/export/drawingml.cxx
index eb19a286e587..f500036e1282 100644
--- a/oox/source/export/drawingml.cxx
+++ b/oox/source/export/drawingml.cxx
@@ -76,6 +76,7 @@
 #include <com/sun/star/style/CaseMap.hpp>
 
 #include <comphelper/storagehelper.hxx>
+#include <comphelper/xmltools.hxx>
 #include <o3tl/any.hxx>
 #include <tools/stream.hxx>
 #include <unotools/fontdefs.hxx>
@@ -1757,22 +1758,6 @@ OUString DrawingML::GetFieldValue( const css::uno::Reference< css::text::XTextRa
     return aFieldValue;
 }
 
-OString DrawingML::GetUUID()
-{
-    sal_uInt8 aSeq[16];
-    rtl_createUuid(aSeq, nullptr, true);
-
-    char str[39];
-    sprintf(str, "{%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
-        aSeq[0], aSeq[1], aSeq[2], aSeq[3],
-        aSeq[4], aSeq[5],
-        aSeq[6], aSeq[7],
-        aSeq[8], aSeq[9],
-        aSeq[10], aSeq[11], aSeq[12], aSeq[13], aSeq[14], aSeq[15]);
-
-    return OString(str, SAL_N_ELEMENTS(str));
-}
-
 void DrawingML::WriteRun( const Reference< XTextRange >& rRun,
                           bool& rbOverridingCharHeight, sal_Int32& rnCharHeight)
 {
@@ -1822,7 +1807,7 @@ void DrawingML::WriteRun( const Reference< XTextRange >& rRun,
     {
         if( bWriteField )
         {
-            OString sUUID(GetUUID());
+            OString sUUID(comphelper::xml::generateGUIDString());
             mpFS->startElementNS( XML_a, XML_fld,
                                   XML_id, sUUID.getStr(),
                                   XML_type, OUStringToOString( sFieldValue, RTL_TEXTENCODING_UTF8 ).getStr(),
diff --git a/oox/source/ole/vbaexport.cxx b/oox/source/ole/vbaexport.cxx
index cd26bf486615..4aeff993b926 100644
--- a/oox/source/ole/vbaexport.cxx
+++ b/oox/source/ole/vbaexport.cxx
@@ -31,9 +31,8 @@
 
 #include <sot/storage.hxx>
 
-#include <rtl/uuid.h>
-
 #include <comphelper/string.hxx>
+#include <comphelper/xmltools.hxx>
 
 #define USE_UTF8_CODEPAGE 0
 #if USE_UTF8_CODEPAGE
@@ -88,28 +87,6 @@ OUString createHexStringFromDigit(sal_uInt8 nDigit)
     return aString.toAsciiUpperCase();
 }
 
-OUString createGuidStringFromInt(sal_uInt8 const nGuid[16])
-{
-    OUStringBuffer aBuffer;
-    aBuffer.append('{');
-    for(size_t i = 0; i < 16; ++i)
-    {
-        aBuffer.append(createHexStringFromDigit(nGuid[i]));
-        if(i == 3|| i == 5 || i == 7 || i == 9 )
-            aBuffer.append('-');
-    }
-    aBuffer.append('}');
-    OUString aString = aBuffer.makeStringAndClear();
-    return aString.toAsciiUpperCase();
-}
-
-OUString generateGUIDString()
-{
-    sal_uInt8 nGuid[16];
-    rtl_createUuid(nGuid, nullptr, true);
-    return createGuidStringFromInt(nGuid);
-}
-
 }
 
 VBACompressionChunk::VBACompressionChunk(SvStream& rCompressedStream, const sal_uInt8* pData, std::size_t nChunkSize)
@@ -877,7 +854,8 @@ void exportPROJECTStream(SvStream& rStrm, const css::uno::Reference<css::contain
 
     // section 2.3.1.2 ProjectId
     exportString(rStrm, "ID=\"");
-    OUString aProjectID = generateGUIDString();
+    OUString aProjectID
+        = OStringToOUString(comphelper::xml::generateGUIDString(), RTL_TEXTENCODING_UTF8);
     exportString(rStrm, aProjectID);
     exportString(rStrm, "\"\r\n");