ctWriter.Write(@"<?xml version='1.0' encoding='UTF-8'?> <Types xmlns='http://schemas.openxmlformats.org/package/2006/content-types'> <Default Extension='rels' ContentType='application/vnd.openxmlformats-package.relationships+xml'/> <Default Extension='xml' ContentType='application/xml'/> <Override PartName='/word/document.xml' ContentType='application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml'/> </Types>");

// 2. Relationships (.rels) var relsEntry = archive.CreateEntry("_rels/.rels"); using (var relsWriter = new StreamWriter(relsEntry.Open()))

Downloading the Open XML library enables several automated workflows:

Open the zip file using your OS file explorer or a tool like 7-Zip.

This paper provides a systematic guide to these challenges, presenting both theoretical underpinnings and practical code patterns.

report.zip ├── [Content_Types].xml ├── _rels/ │ └── .rels ├── docProps/ │ ├── core.xml │ └── app.xml └── word/ ├── document.xml ├── styles.xml ├── _rels/ │ └── document.xml.rels └── media/ └── image1.png