# Convert ODS to XLS

> Convert ODS to XLS online for free in seconds. Files are processed in a secure, isolated sandbox and deleted automatically. No sign-up, no watermarks.

URL: https://www.converterrr.com/ods-to-xls

- Runs in an isolated cloud sandbox with LibreOffice: files are deleted automatically, and the job uses cloud credits.
- Engines: LibreOffice (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "xls"` (paid plans).
- More: [Spreadsheet converter](https://www.converterrr.com/spreadsheet-converter), [ODS converter](https://www.converterrr.com/ods-converter), [Compress ODS](https://www.converterrr.com/compress-ods).

## How to convert ODS to XLS

1. **Add your ODS files.** Drag and drop ODS files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose XLS.** XLS is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4. **Download your XLS.** Download each XLS file, or everything at once as a ZIP.

## Good to know

- ODS files are typically used for spreadsheets in LibreOffice, while XLS is best for older Excel workbooks.
- This conversion runs on LibreOffice in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## ODS vs XLS

|  | ODS | XLS |
| --- | --- | --- |
| Full name | OpenDocument Spreadsheet | Microsoft Excel 97–2003 |
| Type | Spreadsheet | Spreadsheet |
| Extensions | .ods | .xls |
| MIME type | application/vnd.oasis.opendocument.spreadsheet | application/vnd.ms-excel |
| Best for | spreadsheets in LibreOffice | older Excel workbooks |
| Properties | open standard | legacy format, proprietary |

**ODS:** ODS is the open spreadsheet format used by LibreOffice Calc.

**XLS:** XLS is the legacy binary Excel format used before 2007.

The other way around: [convert XLS to ODS](https://www.converterrr.com/xls-to-ods).

## Related conversions

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

## Convert ODS to other formats

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

## Convert other formats to XLS

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

## ODS to XLS: frequently asked questions

### How do I convert ODS to XLS?

Drop your ODS file onto the converter above, make sure XLS is selected, and click Convert. When it's done, download the XLS file — it usually takes a few seconds.

### Is it safe to convert ODS to XLS here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

### Is the ODS to XLS converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

### Will converting ODS to XLS reduce quality?

No — XLS preserves the content of your ODS file as faithfully as the format allows.

### Can I convert multiple ODS files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert XLS back to ODS?

Yes — use our XLS to ODS converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.