The Fundamental Difference
Think of Word as your workspace and PDF as your presentation format. Word documents (.doc, .docx) are designed for creating and editing content, while PDFs are designed for sharing finalized documents that look the same everywhere.
When to Use PDF
PDFs are the better choice when you need:
1. Consistent Appearance
PDFs look identical on every device, operating system, and printer. The fonts, images, and layout stay exactly as you designed them. Word documents can shift and change depending on which version of Word the recipient has installed.
2. Document Security
PDFs offer robust security features:
- Password protection for opening
- Restrictions on printing, copying, or editing
- Digital signatures for authentication
- Redaction for permanently removing sensitive info
Use our Protect PDF tool to add password protection to your documents.
3. Professional Sharing
Send PDFs when sharing:
- Contracts and legal documents
- Invoices and receipts
- Resumes and portfolios
- Reports and presentations
- Forms that need to be filled out
4. Long-Term Archiving
PDF/A is an ISO-standardized format specifically designed for long-term preservation. It ensures documents remain accessible and unchanged for decades.
When to Use Word
Word documents are the better choice when you need:
1. Active Editing
If the document is still a work in progress, keep it in Word:
- Drafting and revising content
- Collaborative editing with track changes
- Documents that will be updated frequently
2. Collaboration Features
Word offers powerful collaboration tools:
- Real-time co-editing
- Comments and suggestions
- Track changes and revision history
- Version comparison
3. Advanced Formatting
Word is superior for:
- Creating templates
- Mail merge operations
- Complex tables and charts
- Documents with automatic table of contents
Quick Reference Table
| Use Case | Best Format |
|---|---|
| Final version to share | |
| Document for editing | Word |
| Legal documents | |
| Team collaboration | Word |
| Email attachments | |
| Templates | Word |
| Long-term archive | |
| Forms to fill |
Converting Between Formats
You don't have to choose permanently - you can convert:
- Word to PDF: Use Word to PDF when your document is ready to share
- PDF to Word: Use PDF to Word when you need to edit a finalized document
Best Practice Workflow
- Create in Word: Write and format your document
- Review and finalize: Complete all edits and get approvals
- Convert to PDF: Create a PDF for distribution
- Keep both versions: Store the Word file for future edits
This workflow gives you the best of both worlds: the editing power of Word and the universal compatibility of PDF.