diff --git a/novelwriter/constants.py b/novelwriter/constants.py
index 00b4c88c..fa93bfe2 100644
--- a/novelwriter/constants.py
+++ b/novelwriter/constants.py
@@ -267,6 +267,7 @@ class nwLabels:
     BUILD_FMT = {
         nwBuildFmt.ODT:    QT_TRANSLATE_NOOP("Constant", "Open Document (.odt)"),
         nwBuildFmt.FODT:   QT_TRANSLATE_NOOP("Constant", "Flat Open Document (.fodt)"),
+        nwBuildFmt.DOCX:   QT_TRANSLATE_NOOP("Constant", "Microsoft Word Document (.docx)"),
         nwBuildFmt.HTML:   QT_TRANSLATE_NOOP("Constant", "novelWriter HTML (.html)"),
         nwBuildFmt.NWD:    QT_TRANSLATE_NOOP("Constant", "novelWriter Markup (.txt)"),
         nwBuildFmt.STD_MD: QT_TRANSLATE_NOOP("Constant", "Standard Markdown (.md)"),
@@ -278,6 +279,7 @@ class nwLabels:
     BUILD_EXT = {
         nwBuildFmt.ODT:    ".odt",
         nwBuildFmt.FODT:   ".fodt",
+        nwBuildFmt.DOCX:   ".docx",
         nwBuildFmt.HTML:   ".html",
         nwBuildFmt.NWD:    ".txt",
         nwBuildFmt.STD_MD: ".md",
diff --git a/novelwriter/core/docbuild.py b/novelwriter/core/docbuild.py
index 732b2d76..562ae052 100644
--- a/novelwriter/core/docbuild.py
+++ b/novelwriter/core/docbuild.py
@@ -37,6 +37,7 @@ from novelwriter.core.item import NWItem
 from novelwriter.core.project import NWProject
 from novelwriter.enum import nwBuildFmt
 from novelwriter.error import formatException, logException
+from novelwriter.formats.todocx import ToDocX
 from novelwriter.formats.tohtml import ToHtml
 from novelwriter.formats.tokenizer import Tokenizer
 from novelwriter.formats.tomarkdown import ToMarkdown
@@ -185,6 +186,13 @@ class NWBuildDocument:
             if self._build.getBool("format.replaceTabs"):
                 makeObj.replaceTabs(nSpaces=4, spaceChar=" ")
 
+        elif bFormat == nwBuildFmt.DOCX:
+            makeObj = ToDocX(self._project)
+            filtered = self._setupBuild(makeObj)
+            makeObj.initDocument()
+
+            yield from self._iterBuild(makeObj, filtered)
+
         elif bFormat == nwBuildFmt.PDF:
             makeObj = ToQTextDocument(self._project)
             filtered = self._setupBuild(makeObj)
diff --git a/novelwriter/enum.py b/novelwriter/enum.py
index 55bcbfc6..75081d36 100644
--- a/novelwriter/enum.py
+++ b/novelwriter/enum.py
@@ -180,13 +180,14 @@ class nwBuildFmt(Enum):
 
     ODT    = 0
     FODT   = 1
-    HTML   = 2
-    NWD    = 3
-    STD_MD = 4
-    EXT_MD = 5
-    PDF    = 6
-    J_HTML = 7
-    J_NWD  = 8
+    DOCX   = 2
+    HTML   = 3
+    NWD    = 4
+    STD_MD = 5
+    EXT_MD = 6
+    PDF    = 7
+    J_HTML = 8
+    J_NWD  = 9
 
 
 class nwStatusShape(Enum):
diff --git a/novelwriter/formats/todocx.py b/novelwriter/formats/todocx.py
new file mode 100644
index 00000000..69d020e6
--- /dev/null
+++ b/novelwriter/formats/todocx.py
@@ -0,0 +1,216 @@
+"""
+novelWriter – DOCX Text Converter
+=================================
+
+File History:
+Created: 2024-10-15 [2.6b1] ToRaw
+
+This file is a part of novelWriter
+Copyright 2018–2024, Veronica Berglyd Olsen
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+"""
+from __future__ import annotations
+
+import logging
+import xml.etree.ElementTree as ET
+
+from datetime import datetime
+from pathlib import Path
+from zipfile import ZipFile
+
+from novelwriter import __version__
+from novelwriter.common import xmlIndent
+from novelwriter.core.project import NWProject
+from novelwriter.formats.tokenizer import Tokenizer
+
+logger = logging.getLogger(__name__)
+
+# Types and Relationships
+WORD_BASE = "application/vnd.openxmlformats-officedocument"
+RELS_TYPE = "application/vnd.openxmlformats-package.relationships+xml"
+REL_CORE = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties"
+REL_APP = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties"
+REL_DOC = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
+
+# Main XML NameSpaces
+PROPS_NS = "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties"
+TYPES_NS = "http://schemas.openxmlformats.org/package/2006/content-types"
+RELS_NS = "http://schemas.openxmlformats.org/package/2006/relationships"
+XML_NS = {
+    "cp":      "http://schemas.openxmlformats.org/package/2006/metadata/core-properties",
+    "dc":      "http://purl.org/dc/elements/1.1/",
+    "dcterms": "http://purl.org/dc/terms/",
+    "w":       "http://schemas.openxmlformats.org/wordprocessingml/2006/main",
+    "xsi":     "http://www.w3.org/2001/XMLSchema-instance",
+}
+for ns, uri in XML_NS.items():
+    ET.register_namespace(ns, uri)
+
+
+def _mkTag(ns: str, tag: str) -> str:
+    """Assemble namespace and tag name."""
+    if uri := XML_NS.get(ns, ""):
+        return f"{{{uri}}}{tag}"
+    logger.warning("Missing xml namespace '%s'", ns)
+    return tag
+
+
+def _addSingle(
+    parent: ET.Element,
+    tag: str,
+    text: str | int | None = None,
+    attrib: dict | None = None
+) -> None:
+    """Add a single value to a parent element."""
+    xSub = ET.SubElement(parent, tag, attrib=attrib or {})
+    if text is not None:
+        xSub.text = str(text)
+    return
+
+
+class ToDocX(Tokenizer):
+    """Core: DocX Document Writer
+
+    Extend the Tokenizer class to writer DocX Document files.
+    """
+
+    def __init__(self, project: NWProject) -> None:
+        super().__init__(project)
+
+        # XML
+        self._dDoc = ET.Element("")  # document.xml
+
+        self._xBody = ET.Element("")  # Text body
+
+        # Internal
+        self._dLanguage = "en-GB"
+
+        return
+
+    ##
+    #  Setters
+    ##
+
+    def setLanguage(self, language: str | None) -> None:
+        """Set language for the document."""
+        if language:
+            self._dLanguage = language.replace("_", "-")
+        return
+
+    ##
+    #  Class Methods
+    ##
+
+    def initDocument(self) -> None:
+        """Initialises the DocX document structure."""
+
+        self._dDoc  = ET.Element(_mkTag("w", "document"))
+        self._xBody = ET.SubElement(self._dDoc, _mkTag("w", "body"))
+
+        return
+
+    def doConvert(self) -> None:
+        """Convert the list of text tokens into XML elements."""
+        self._result = ""  # Not used, but cleared just in case
+        return
+
+    def saveDocument(self, path: Path) -> None:
+        """Save the data to a .docx file."""
+        timeStamp = datetime.now().isoformat(sep="T", timespec="seconds")
+
+        # .rels
+        dRels = ET.Element("Relationships", attrib={"xmlns": RELS_NS})
+        _addSingle(dRels, "Relationship", attrib={
+            "Id": "rId1", "Type": REL_CORE, "Target": "docProps/core.xml",
+        })
+        _addSingle(dRels, "Relationship", attrib={
+            "Id": "rId2", "Type": REL_APP, "Target": "docProps/app.xml",
+        })
+        _addSingle(dRels, "Relationship", attrib={
+            "Id": "rId3", "Type": REL_DOC, "Target": "word/document.xml",
+        })
+
+        # core.xml
+        dCore = ET.Element("coreProperties")
+        tsAttr = {_mkTag("xsi", "type"): "dcterms:W3CDTF"}
+        _addSingle(dCore, _mkTag("dcterms", "created"), timeStamp, attrib=tsAttr)
+        _addSingle(dCore, _mkTag("dcterms", "modified"), timeStamp, attrib=tsAttr)
+        _addSingle(dCore, _mkTag("dc", "creator"), self._project.data.author)
+        _addSingle(dCore, _mkTag("dc", "title"), self._project.data.name)
+        _addSingle(dCore, _mkTag("dc", "creator"), self._project.data.author)
+        _addSingle(dCore, _mkTag("dc", "language"), self._dLanguage)
+        _addSingle(dCore, _mkTag("cp", "revision"), str(self._project.data.saveCount))
+        _addSingle(dCore, _mkTag("cp", "lastModifiedBy"), self._project.data.author)
+
+        # app.xml
+        dApp = ET.Element("Properties", attrib={"xmlns": PROPS_NS})
+        _addSingle(dApp, "TotalTime", self._project.data.editTime // 60)
+        _addSingle(dApp, "Application", f"novelWriter/{__version__}")
+        if count := self._counts.get("allWords"):
+            _addSingle(dApp, "Words", count)
+        if count := self._counts.get("textWordChars"):
+            _addSingle(dApp, "Characters", count)
+        if count := self._counts.get("textChars"):
+            _addSingle(dApp, "CharactersWithSpaces", count)
+        if count := self._counts.get("paragraphCount"):
+            _addSingle(dApp, "Paragraphs", count)
+
+        # document.xml.rels
+        dDRels = ET.Element("Relationships", attrib={"xmlns": RELS_NS})
+
+        # [Content_Types].xml
+        dCont = ET.Element("Types", attrib={"xmlns": TYPES_NS})
+        _addSingle(dCont, "Default", attrib={
+            "Extension": "xml", "ContentType": "application/xml",
+        })
+        _addSingle(dCont, "Default", attrib={
+            "Extension": "rels", "ContentType": RELS_TYPE,
+        })
+        _addSingle(dCont, "Override", attrib={
+            "PartName": "/_rels/.rels",
+            "ContentType": RELS_TYPE,
+        })
+        _addSingle(dCont, "Override", attrib={
+            "PartName": "/docProps/core.xml",
+            "ContentType": f"{WORD_BASE}.extended-properties+xml",
+        })
+        _addSingle(dCont, "Override", attrib={
+            "PartName": "/docProps/app.xml",
+            "ContentType": "application/vnd.openxmlformats-package.core-properties+xml",
+        })
+        _addSingle(dCont, "Override", attrib={
+            "PartName": "/word/_rels/document.xml.rels",
+            "ContentType": RELS_TYPE,
+        })
+        _addSingle(dCont, "Override", attrib={
+            "PartName": "/word/document.xml",
+            "ContentType": f"{WORD_BASE}.wordprocessingml.document.main+xml",
+        })
+
+        def xmlToZip(name: str, xObj: ET.Element, zipObj: ZipFile) -> None:
+            with zipObj.open(name, mode="w") as fObj:
+                xml = ET.ElementTree(xObj)
+                xmlIndent(xml)
+                xml.write(fObj, encoding="utf-8", xml_declaration=True)
+
+        with ZipFile(path, mode="w") as outZip:
+            xmlToZip("_rels/.rels", dRels, outZip)
+            xmlToZip("docProps/core.xml", dCore, outZip)
+            xmlToZip("docProps/app.xml", dApp, outZip)
+            xmlToZip("word/_rels/document.xml.rels", dDRels, outZip)
+            xmlToZip("word/document.xml", self._dDoc, outZip)
+            xmlToZip("[Content_Types].xml", dCont, outZip)
+
+        return