Convert XLSX to XLT Online — Free
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How to Convert
Upload your .xlsx file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .xlt file when it's ready.
What is XLSX?
XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.
Format Details
- Full Name
- Microsoft Excel Spreadsheet
- Extension
- .xlsx
Key Features
- Spreadsheet
- Formulas
- Charts
- Data analysis
What is XLT?
XLT is the legacy Microsoft Excel binary template format from Excel 97-2003. It stores spreadsheet formatting, formulas, and macros as reusable templates for creating standardized workbooks.
Format Details
- Full Name
- Excel 97-2003 Template
- Extension
- .xlt
Key Features
- Excel legacy
- Binary format
- Template
- Macro support
XLSX vs XLT
| Feature | XLSX | XLT |
|---|---|---|
| Full Name | Microsoft Excel Spreadsheet | Excel 97-2003 Template |
| Extension | .xlsx | .xlt |
| Best For | Spreadsheet | Excel legacy |