Office Open XML Document (.docx)
ECMA-376 ŠtandardDOCX is a zipped, XML-based file format developed by Microsoft for word processing documents, standardizing Word documents under the Office Open XML specification.
Konvertovať PDF do DOCX
Bezplatný konvertor z PDF do DOCX priamo v prehliadači. Konvertujte súbory okamžite vo svojom zariadení.
Preskúmať a metadáta
Operačné systémy a analyzátory súborov identifikujú súbory DOCX kontrolou počiatočnej binárnej bajtovej sekvencie:
Podpis hlavičky na úrovni bajtov (Magic Bytes)
Operačné systémy a analyzátory súborov identifikujú súbory DOCX kontrolou počiatočnej binárnej bajtovej sekvencie:
HEXADECIMÁLNY PODPIS (OFFSET 0):
50 4B 03 04ASCII REPREZENTÁCIA: PK..
Štandardizácia: ECMA-376 / ISO/IEC 29500
Technické špecifikácie
| Architektúra kontajnera | Open Packaging Convention (OPC) ZIP archive containing XML parts |
| Kompresia | Deflate compression of individual XML files and media resources inside ZIP |
| Poradie bajtov (Endianness) | Little-Endian for ZIP header records; UTF-8 XML for document text |
| Farebné priestory | sRGB for text and styling; embedded image parts retain native profiles |
| Kanály a štruktúra | Structured document hierarchy: paragraphs (w:p), runs (w:r), and text nodes (w:t) |
| Max. rozmery | 55.87 x 55.87 cm (22 x 22 inches maximum Word page limit) |
| Priehľadnosť | Supported within embedded raster and vector shapes |
| Streamovanie a postupné načítavanie | ZIP structure requires reading Central Directory at end of archive |
Technická porovnávacia matica: DOCX vs konkurenti
| Technický atribút | DOCX (Aktuálne) | OpenDocument (ODT) | Markdown | |
|---|---|---|---|---|
| Primary Purpose | Editable word processing document | Fixed-layout digital paper | Editable open standard document | Lightweight plain text writing |
| Formatting Consistency | Varies by software viewer and installed fonts | 100% pixel-perfect across all devices | Varies by software suite | Dependent on Markdown parser and CSS |
| Editing Experience | Full rich WYSIWYG editing with tracked changes | Difficult to edit without specialized tools | Full WYSIWYG editing | Fast plain-text editing |
Bežné režimy poškodenia a príručka na obnovu v hexadecimálnom kóde
⚠️ Word displays error: 'The file is corrupt and cannot be opened'.
Hlavná príčina: Damaged ZIP container structure or malformed XML in word/document.xml.
Obnova: Rename .docx to .zip, run 'zip -FF broken.zip --out fixed.zip', extract word/document.xml, fix XML syntax errors with an XML editor, and re-zip.
Bezpečnostná analýza a vektory útokov na parser
DOCX files cannot contain active VBA macros (.docm is required for macros), making them safer than legacy .doc files, but external template injection remains a risk.
Známe vektory útokov
- Remote template injection pointing to malicious external dotm templates.
- XML External Entity (XXE) vulnerabilities in unpatched document parsers.
- Embedded OLE objects disguising executable malware.
Najlepšie obranné postupy: Disallow macro-enabled files (.docm) on public upload portals, inspect '_rels' for untrusted external URI templates, and sanitize XML inputs.
Historický pôvod a míľniky
Kľúčové výhody a prednosti
- Open XML packaging allows automated document generation and text extraction without Microsoft Word.
- ZIP compression significantly reduces file size compared to legacy binary .doc files.
- Modular structure isolates corrupt components, preventing entire document loss.
Technické obmedzenia a nevýhody
- Visual rendering can vary across LibreOffice, Google Docs, and Microsoft Word due to font layout heuristics.
- Not designed for fixed-layout archiving (unlike PDF/A).
- Complex ECMA-376 specification with thousands of legacy compatibility tags.
Zaujímavé technické drobnosti
- Renaming a .docx file to .zip allows you to extract all embedded images directly from the 'word/media/' folder.
- The primary text content of any Word document resides in the file 'word/document.xml'.
Často kladené technické otázky
How can I extract all pictures from a DOCX file without Word?
Change the file extension from '.docx' to '.zip', open the archive with any unzipping tool, and browse to the 'word/media/' folder. All original high-resolution photos and graphics are stored there.
What is the difference between .doc and .docx?
.doc is a legacy proprietary binary format used in Word 97–2003. .docx is a modern open standard (ISO/IEC 29500) based on XML and ZIP compression, offering smaller file sizes, greater recovery reliability, and no macro execution capability.
Súvisiace konverzné páry pre DOCX
Convert PDF documents into editable Microsoft Word DOCX files while preserving paragraphs and layout.
Convert Microsoft Word DOCX documents into universal, read-only PDF files.
Recognize optical characters from JPG photos and export formatted text into editable Word DOCX documents.