DOCX Won't Open? Convert to DOTX Instantly
Fast, instant DOCX to DOTX conversion. No signup required. Just drop your .docx file and get .dotx in seconds.
Batch Settings
Vous travaillez régulièrement avec des documents Word et la nécessité de maintenir une cohérence graphique et structurelle est primordiale ? Le passage d'un fichier DOCX, un document texte standard, à un fichier DOTX, qui est un modèle, peut sembler technique mais est en réalité une étape clé pour optimiser vos flux de travail. Que ce soit pour uniformiser la présentation de rapports, créer des documents récurrents avec une mise en page spécifique, ou simplement préparer des gabarits pour vos collaborateurs, transformer un DOCX en DOTX vous offre une maîtrise accrue sur la création documentaire. Cette conversion permet de figer un design, des styles et même des contenus pré-remplis, garantissant ainsi que chaque nouveau document basé sur ce modèle respecte vos exigences de présentation. C'est l'outil idéal pour assurer professionnalisme et efficacité.
- Rapports administratifs uniformisés
- Thèses universitaires formatées
- Propositions commerciales avec charte graphique
En France, en Belgique et en Suisse, l'utilisation de modèles DOTX est particulièrement valorisée dans le secteur public et académique pour le respect des normes de présentation et l'archivage numérique des documents officiels.
About DOCX to DOTX Conversion
Dealing with a DOCX file that won't open on your device? You're not alone — DOCX compatibility issues are one of the most common reasons people search for a file converter. DOCX is Microsoft Word's modern format based on Office Open XML — editable text documents with formatting.
The fix is simple: convert your DOCX to DOTX. DOTX is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting DOCX to DOTX maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your DOCX file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a DOTX file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert DOCX to DOTX
- 1
Add your DOCX file
Drag and drop your .docx file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick DOTX output
Select .dotx as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The document engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .dotx file. For batch jobs, download all at once as a zip.
What Happens When You Convert DOCX to DOTX
Your DOCX file is decoded and re-encoded as DOTX.
Your DOCX file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in DOTX format
The converted file is ready for download
Format Comparison
DOCX
.docx file
| Extension | .docx |
| MIME Type | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| Category | Document |
DOTX
.dotx file
| Extension | .dotx |
| MIME Type | application/vnd.openxmlformats-officedocument.wordprocessingml.template |
| Category | Document |
Should You Convert DOCX to DOTX?
When to Convert
- ✓When you need a DOTX file
Frequently Asked Questions
Why won't my DOCX file open?
DOCX files may not open if your device lacks the right codec or application. Converting to DOTX — a more widely supported format — usually resolves this. DOTX is a widely used file format.
Is it safe to convert DOCX to DOTX online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting DOCX to DOTX?
Converting DOCX to DOTX maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my DOCX file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert DOCX to DOTX on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.