How do TXT and XLSXcompare? Here's everything you need to know to choose the right format — and how to convert between them.
Plain Text File
TXT is the simplest document format — pure text with no formatting. It's universally compatible, lightweight, and readable by every operating system and text editor in existence.
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.
| Specification | TXT | XLSX |
|---|---|---|
| Full name | Plain Text File | Office Open XML Spreadsheet |
| Extension | .txt | .xlsx |
| MIME type | text/plain | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| Category | Document | Document |
| Developer | N/A (universal standard) | Microsoft |
| Year introduced | 1960s | 2007 |
TXT and XLSX serve different purposes. TXT is ideal for configuration files and logs, while XLSX excels at financial reports and budgets.
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