Convert XLS to ODT Online — Free & Fast | AnyConv

XLS to ODT Converter

Quickly convert multiple xls files to odt — free & online.

Drag & drop your files here or click to upload

How to convert XLS to ODT online

Follow these simple steps to convert xls files to odt using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your XLS file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your XLS into ODT. The process usually takes just a few seconds.

Download your ODT

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a XLS file?

XLS is the proprietary spreadsheet format used by Microsoft Excel prior to the introduction of XLSX in 2007. It uses a binary file structure and supports formulas, charts, macros, and formatting.

XLS files remain widely compatible and are still used in many organizations. However, XLSX offers better performance and security.

How to open XLS files

XLS files can be opened using Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications. They support charts, formulas, and formatting.

To ensure compatibility and security, convert XLS to XLSX or ODS using AnyConv or within Excel itself.

Key facts about XLS

  • Full name: Microsoft Excel Binary File Format
  • Extension: .xls
  • MIME type: application/vnd.ms-excel
  • Developed by: Microsoft
  • Initial release: 1987

Useful links and resources

What is a ODT file?

ODT (OpenDocument Text) is a word processing file format used by open-source applications such as LibreOffice Writer and Apache OpenOffice Writer. It is part of the OpenDocument Format (ODF) standard.

ODT files support rich formatting, images, styles, and tables, and are often used in academic and governmental settings that prefer open standards over proprietary formats like DOCX.

How to open ODT files

ODT files can be opened with LibreOffice Writer, Apache OpenOffice, and Google Docs. Microsoft Word also supports ODT files to a large extent.

To share with users of proprietary formats, convert ODT files to DOCX or PDF using AnyConv or the exporting options in your word processor.

Key facts about ODT

  • Full name: OpenDocument Text
  • Extension: .odt
  • MIME type: application/vnd.oasis.opendocument.text
  • Developed by: OASIS
  • Initial release: 2005

Useful links and resources

Convert to ODT

Want to get a file in ODT format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into ODT.

❓ Frequently Asked Questions

Answers to common questions about converting XLS to ODT
  • Do I need to register to convert XLS files?
    Not at all! You can convert XLS to ODT without signing up or installing anything.
  • Is it safe to convert XLS to ODT on AnyConv?
    Absolutely. All XLS and ODT files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting XLS to ODT?
    We do our best to preserve the original quality during XLS to ODT conversion. The result is accurate and clean.
  • How long does it take to convert XLS to ODT?
    Most conversions from XLS to ODT take just a few seconds — even for larger files.
  • Can I upload more than one XLS file?
    Yes, batch conversion is supported. You can convert multiple XLS files to ODT at once — fast and easy.
  • What browsers support XLS to ODT conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting XLS to ODT on any platform.
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