diff --git a/src/export/packer/compiler.ts b/src/export/packer/compiler.ts
index 7a62dc0dff..d0b0172cde 100644
--- a/src/export/packer/compiler.ts
+++ b/src/export/packer/compiler.ts
@@ -46,6 +46,7 @@ export class Compiler {
         const xmlFooter = xml(this.formatter.format(this.file.Footer.Footer));
         const xmlHeaderRelationships = xml(this.formatter.format(this.file.Header.Relationships));
         const xmlFooterRelationships = xml(this.formatter.format(this.file.Footer.Relationships));
+        const xmlContentTypes = xml(this.formatter.format(this.file.ContentTypes));
 
         this.archive.append(xmlDocument, {
             name: "word/document.xml",
@@ -83,6 +84,10 @@ export class Compiler {
             name: "word/_rels/footer1.xml.rels",
         });
 
+        this.archive.append(xmlContentTypes, {
+            name: "[Content_Types].xml",
+        });
+
         for (const data of this.file.Media.array) {
             this.archive.append(data.stream, {
                 name: `word/media/${data.fileName}`,
diff --git a/src/file/content-types/content-types.ts b/src/file/content-types/content-types.ts
index 2eca99b864..c7246be57c 100644
--- a/src/file/content-types/content-types.ts
+++ b/src/file/content-types/content-types.ts
@@ -1,5 +1,6 @@
 import { XmlComponent } from "file/xml-components";
 import { ContentTypeAttributes } from "./content-types-attributes";
+import { Default } from "./default/default";
 
 export class ContentTypes extends XmlComponent {
     constructor() {
@@ -10,5 +11,22 @@ export class ContentTypes extends XmlComponent {
                 xmlns: "http://schemas.openxmlformats.org/package/2006/content-types",
             }),
         );
+
+        this.root.push(new Default("image/png", "png"));
+        this.root.push(new Default("image/jpeg", "jpeg"));
+        this.root.push(new Default("image/jpeg", "jpg"));
+        this.root.push(new Default("image/bmp", "bmp"));
+        this.root.push(new Default("image/gif", "gif"));
+        this.root.push(new Default("application/vnd.openxmlformats-package.relationships+xml", "rels"));
+        this.root.push(new Default("application/xml", "xml"));
+
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml", undefined, "/word/document.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.wordprocessingml.header+xml", undefined, "/word/header1.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.wordprocessingml.footer+xml", undefined, "/word/footer1.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.wordprocessingml.styles+xml", undefined, "/word/styles.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-package.core-properties+xml", undefined, "/docProps/core.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.extended-properties+xml", undefined, "/docProps/app.xml"));
+        this.root.push(new Default("application/vnd.openxmlformats-officedocument.wordprocessingml.numbering+xml", undefined, "/word/numbering.xml"));
+
     }
 }
diff --git a/src/file/content-types/default/default-attributes.ts b/src/file/content-types/default/default-attributes.ts
new file mode 100644
index 0000000000..5ed4c40936
--- /dev/null
+++ b/src/file/content-types/default/default-attributes.ts
@@ -0,0 +1,15 @@
+import { XmlAttributeComponent } from "file/xml-components";
+
+export interface IDefaultAttributes {
+    contentType: string;
+    extension?: string;
+    partName?: string;
+}
+
+export class DefaultAttributes extends XmlAttributeComponent<IDefaultAttributes> {
+    protected xmlKeys = {
+        contentType: "ContentType",
+        extension: "Extension",
+        partName: "PartName",
+    };
+}
diff --git a/src/file/content-types/default/default.ts b/src/file/content-types/default/default.ts
index 1897e85e93..17fb595784 100644
--- a/src/file/content-types/default/default.ts
+++ b/src/file/content-types/default/default.ts
@@ -1,9 +1,16 @@
 import { XmlComponent } from "file/xml-components";
+import { DefaultAttributes } from "./default-attributes";
 
 export class Default extends XmlComponent {
-    constructor() {
-        super("Types");
+    constructor(contentType: string, extension?: string, partName?: string) {
+        super("Default");
 
-        this.root.push();
+        this.root.push(
+            new DefaultAttributes({
+                contentType: contentType,
+                extension: extension,
+                partName: partName,
+            }),
+        );
     }
 }
diff --git a/src/file/file.ts b/src/file/file.ts
index b761874ab7..172424717c 100644
--- a/src/file/file.ts
+++ b/src/file/file.ts
@@ -1,3 +1,4 @@
+import { ContentTypes } from "./content-types/content-types";
 import { Document } from "./document";
 import { SectionPropertiesOptions } from "./document/body/section-properties/section-properties";
 import { FooterWrapper } from "./footer-wrapper";
@@ -20,6 +21,7 @@ export class File {
     private readonly relationships: Relationships;
     private readonly headerWrapper: HeaderWrapper;
     private readonly footerWrapper: FooterWrapper;
+    private readonly contentTypes: ContentTypes;
 
     constructor(options?: IPropertiesOptions, sectionPropertiesOptions?: SectionPropertiesOptions) {
         this.document = new Document(sectionPropertiesOptions);
@@ -40,6 +42,7 @@ export class File {
         this.media = new Media();
         this.headerWrapper = new HeaderWrapper(this.media);
         this.footerWrapper = new FooterWrapper(this.media);
+        this.contentTypes = new ContentTypes();
     }
 
     public addParagraph(paragraph: Paragraph): void {
@@ -99,4 +102,8 @@ export class File {
     public get Footer(): FooterWrapper {
         return this.footerWrapper;
     }
+
+    public get ContentTypes(): ContentTypes {
+        return this.contentTypes;
+    }
 }