# XLS converter

> Convert XLS files to PDF, XLSX, CSV, HTML and more. Free, fast and private — most conversions run right in your browser. XLS is the legacy binary Excel format used before 2007.

URL: https://www.converterrr.com/xls-converter

- Microsoft Excel 97–2003 (XLS), spreadsheet format. [Spreadsheet converter](https://www.converterrr.com/spreadsheet-converter).
- Converts to 6 formats, 0 of them in the browser; 5 formats convert to XLS.

## About the XLS format

XLS is the legacy binary Excel format used before 2007.

|  | XLS |
| --- | --- |
| Full name | Microsoft Excel 97–2003 |
| Type | Spreadsheet |
| Extensions | .xls |
| MIME type | application/vnd.ms-excel |
| Best for | older Excel workbooks |
| Properties | legacy format, proprietary |

## Convert XLS to… (6)

- [XLS to PDF](https://www.converterrr.com/xls-to-pdf) (cloud)
- [XLS to XLSX](https://www.converterrr.com/xls-to-xlsx) (cloud)
- [XLS to CSV](https://www.converterrr.com/xls-to-csv) (cloud)
- [XLS to HTML](https://www.converterrr.com/xls-to-html) (cloud)
- [XLS to ODS](https://www.converterrr.com/xls-to-ods) (cloud)
- [XLS to TSV](https://www.converterrr.com/xls-to-tsv) (cloud)

## Convert to XLS from… (5)

- [XLSX to XLS](https://www.converterrr.com/xlsx-to-xls) (cloud)
- [CSV to XLS](https://www.converterrr.com/csv-to-xls) (cloud)
- [ODS to XLS](https://www.converterrr.com/ods-to-xls) (cloud)
- [Numbers to XLS](https://www.converterrr.com/numbers-to-xls) (cloud)
- [TSV to XLS](https://www.converterrr.com/tsv-to-xls) (cloud)

## About the XLS format: frequently asked questions

### What is an XLS file?

XLS is the legacy binary Excel format used before 2007. It's commonly used for older Excel workbooks.

### How do I open an XLS file?

If your app can't open XLS, convert it to a widely supported format like PDF with the converter above.

### What can I convert XLS to?

6 formats, including PDF, XLSX, CSV, HTML, ODS, TSV.

### What can be converted to XLS?

5 formats can be converted to XLS, including XLSX, CSV, ODS, Numbers, TSV.

### What is the MIME type of XLS?

XLS files use the MIME type application/vnd.ms-excel and the extension .xls.