diff --git a/sw/qa/extras/ooxmlexport/data/tdf123354.docx b/sw/qa/extras/ooxmlexport/data/tdf123354.docx
new file mode 100644
index 000000000000..15c7663c645c
Binary files /dev/null and b/sw/qa/extras/ooxmlexport/data/tdf123354.docx differ
diff --git a/sw/qa/extras/ooxmlexport/ooxmlexport15.cxx b/sw/qa/extras/ooxmlexport/ooxmlexport15.cxx
index 85e7097093d0..cd3dc8021f2a 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlexport15.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlexport15.cxx
@@ -16,6 +16,8 @@
 #include <com/sun/star/text/XTextColumns.hpp>
 #include <com/sun/star/text/XTextTable.hpp>
 #include <com/sun/star/text/XTextTablesSupplier.hpp>
+#include <com/sun/star/text/XTextFieldsSupplier.hpp>
+#include <com/sun/star/text/XTextField.hpp>
 
 char const DATA_DIRECTORY[] = "/sw/qa/extras/ooxmlexport/data/";
 
@@ -69,6 +71,26 @@ DECLARE_OOXMLEXPORT_EXPORTONLY_TEST(testTdf118701, "tdf118701.docx")
     assertXPath(pXmlDoc, "/w:document/w:body/w:p[10]/w:pPr[1]/w:numPr", 1);
 }
 
+DECLARE_OOXMLEXPORT_TEST(testTdf123354, "tdf123354.docx")
+{
+    // Tests cell formula ABS(x) to SQRT(x POW 2) conversion
+    uno::Reference<text::XTextFieldsSupplier> xTextFieldsSupplier(mxComponent, uno::UNO_QUERY);
+    uno::Reference<container::XEnumerationAccess> xFieldsAccess(xTextFieldsSupplier->getTextFields());
+    uno::Reference<container::XEnumeration> xFields(xFieldsAccess->createEnumeration());
+
+    uno::Reference<text::XTextField> xEnumerationAccess1(xFields->nextElement(), uno::UNO_QUERY);
+    CPPUNIT_ASSERT_EQUAL(OUString("SQRT((-234) POW 2)"), xEnumerationAccess1->getPresentation(true).trim());
+    CPPUNIT_ASSERT_EQUAL(OUString("234"), xEnumerationAccess1->getPresentation(false).trim());
+
+    uno::Reference<text::XTextField> xEnumerationAccess2(xFields->nextElement(), uno::UNO_QUERY);
+    CPPUNIT_ASSERT_EQUAL(OUString("SQRT((SUM(<A1:B1>)-SUM(<A2>)*2) POW 2)"), xEnumerationAccess2->getPresentation(true).trim());
+    CPPUNIT_ASSERT_EQUAL(OUString("700035"), xEnumerationAccess2->getPresentation(false).trim());
+
+    uno::Reference<text::XTextField> xEnumerationAccess3(xFields->nextElement(), uno::UNO_QUERY);
+    CPPUNIT_ASSERT_EQUAL(OUString("SQRT((<A1>) POW 2)"), xEnumerationAccess3->getPresentation(true).trim());
+    CPPUNIT_ASSERT_EQUAL(OUString("233423"), xEnumerationAccess3->getPresentation(false).trim());
+}
+
 DECLARE_OOXMLEXPORT_TEST(testTdf98000_changePageStyle, "tdf98000_changePageStyle.odt")
 {
     uno::Reference<frame::XModel> xModel(mxComponent, uno::UNO_QUERY);
diff --git a/writerfilter/source/dmapper/DomainMapper_Impl.cxx b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
index 1d23295fd759..333f1170ea09 100644
--- a/writerfilter/source/dmapper/DomainMapper_Impl.cxx
+++ b/writerfilter/source/dmapper/DomainMapper_Impl.cxx
@@ -4259,9 +4259,13 @@ OUString DomainMapper_Impl::convertFieldFormula(const OUString& input) {
     usInput = rmatch4.replaceAll(icu::UnicodeString("<$1:$2>"), status);
 
     /* Fix up user defined names */
-    icu::RegexMatcher rmatch5("DEFINED\\s*\\(<([A-Z]+[0-9]+)>\\)", usInput, rMatcherFlags, status);
+    icu::RegexMatcher rmatch5("\\bDEFINED\\s*\\(<([A-Z]+[0-9]+)>\\)", usInput, rMatcherFlags, status);
     usInput = rmatch5.replaceAll(icu::UnicodeString("DEFINED($1)"), status);
 
+    /* Fix up ABS(x) using SQRT(x POW 2) - it supports only 1-level nesting */
+    icu::RegexMatcher rmatch6("\\bABS\\s*(\\(([^()]*|([^()])*\\([^()]*\\)[^()]*)*\\))", usInput, rMatcherFlags, status);
+    usInput = rmatch6.replaceAll(icu::UnicodeString("SQRT($1 POW 2)"), status);
+
     return OUString(usInput.getTerminatedBuffer());
 }
 
@@ -4286,6 +4290,10 @@ void DomainMapper_Impl::handleFieldFormula
     // we don't copy the = symbol from the command
     OUString formula = convertFieldFormula(command.copy(1));
 
+    xFieldProperties->setPropertyValue(getPropertyName(PROP_CONTENT), uno::makeAny(formula));
+    xFieldProperties->setPropertyValue(getPropertyName(PROP_NUMBER_FORMAT), uno::makeAny(sal_Int32(0)));
+    xFieldProperties->setPropertyValue("IsShowFormula", uno::makeAny(false));
+
     // grab-bag the original and converted formula
     if (getTableManager().isInTable())
     {
@@ -4294,9 +4302,6 @@ void DomainMapper_Impl::handleFieldFormula
         pPropMap->Insert(PROP_CELL_FORMULA_CONVERTED, uno::makeAny(formula), true, CELL_GRAB_BAG);
         getTableManager().cellProps(pPropMap);
     }
-    xFieldProperties->setPropertyValue(getPropertyName(PROP_CONTENT), uno::makeAny(formula));
-    xFieldProperties->setPropertyValue(getPropertyName(PROP_NUMBER_FORMAT), uno::makeAny(sal_Int32(0)));
-    xFieldProperties->setPropertyValue("IsShowFormula", uno::makeAny(false));
 }
 
 void  DomainMapper_Impl::handleRubyEQField( const FieldContextPtr& pContext)