How do XLSX and RTFcompare? 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.
Rich Text Format
RTF is a cross-platform document format that supports basic formatting like bold, italic, fonts, and colors. It's a universal middle ground between plain text and full document formats.
| Specification | XLSX | RTF |
|---|---|---|
| Full name | Office Open XML Spreadsheet | Rich Text Format |
| Extension | .xlsx | .rtf |
| MIME type | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | application/rtf |
| Category | Document | Document |
| Developer | Microsoft | Microsoft |
| Year introduced | 2007 | 1987 |
XLSX and RTF serve different purposes. XLSX is ideal for financial reports and budgets, while RTF excels at cross-platform document sharing.
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