How do XLSX and PPTXcompare? Here's everything you need to know to choose the right format — and how to convert between them.
Office Open XML Spreadsheet
XLSX is the default format for Microsoft Excel spreadsheets. It supports complex formulas, charts, pivot tables, and large datasets. It's the industry standard for data analysis and financial modeling.
Office Open XML Presentation
PPTX is the default format for Microsoft PowerPoint presentations. It supports slides, animations, transitions, speaker notes, and multimedia content for creating professional presentations.
| Specification | XLSX | PPTX |
|---|---|---|
| Full name | Office Open XML Spreadsheet | Office Open XML Presentation |
| Extension | .xlsx | .pptx |
| MIME type | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| Category | Document | Document |
| Developer | Microsoft | Microsoft |
| Year introduced | 2007 | 2007 |
XLSX and PPTX serve different purposes. XLSX is ideal for financial reports and budgets, while PPTX excels at business presentations.
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