Format comparison

DOCX vs PPT

How do DOCX and PPTcompare? Here's everything you need to know to choose the right format — and how to convert between them.

Office Open XML Document

DOCX is the default format for Microsoft Word documents. It's an XML-based format that replaced the older .doc format, offering better compression, easier recovery, and broader compatibility.

Microsoft PowerPoint Presentation (Legacy)

PPT is the legacy binary format for Microsoft PowerPoint presentations. While replaced by PPTX, many older presentation files and templates still use this format.

SpecificationDOCXPPT
Full nameOffice Open XML DocumentMicrosoft PowerPoint Presentation (Legacy)
Extension.docx.ppt
MIME typeapplication/vnd.openxmlformats-officedocument.wordprocessingml.documentapplication/vnd.ms-powerpoint
CategoryDocumentDocument
DeveloperMicrosoftMicrosoft
Year introduced20071987

DOCX advantages

  • Standard format for word processing
  • Excellent formatting capabilities
  • Smaller files than legacy .doc format
  • Compatible with Google Docs, LibreOffice, and more

DOCX limitations

  • Formatting may vary between applications
  • Complex internal XML structure
  • Requires office software to edit properly
  • Version differences can cause compatibility issues

PPT advantages

  • Compatible with older PowerPoint versions
  • Widely recognized
  • Still supported by modern software
  • Simple for basic presentations

PPT limitations

  • Larger files than PPTX
  • Binary format — harder to recover
  • Missing modern features
  • Being phased out

Which should you use?

DOCX and PPT serve different purposes. DOCX is ideal for business reports and memos, while PPT excels at opening legacy presentations.

Best uses for DOCX

Business reports and memos
Academic papers and essays
Resumes and cover letters
Collaborative document editing

Best uses for PPT

Opening legacy presentations
Compatibility with older systems
Archived presentation files
Simple slideshows

Convert between DOCX and PPT

Need to switch formats? Convert for free with SquishConvert.