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XLS to ODT Converter — Fast & Free | 1converter
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  2. XLS to ODT

XLS to ODT Converter — Fast & Free Online

Instant XLS to ODT conversion. No waiting, no queues, no delays. XLS (XLS (Excel 97-2003)) is microsoft excel's legacy binary spreadsheet format.

FromXLSToODT
Convert XLS to ODT Now
100% Free
Secure & Private
Fast Conversion
1CONVERTER Document Team - 1CONVERTER Team Logo
1CONVERTER Document Team·Document Processing Experts·Updated Mar 15, 2026
Official

How to Convert XLS to ODT

Follow these simple steps to convert your XLS files to ODT format in seconds

1

Step 1

Upload your XLS file

2

Step 2

Choose ODT as output format

3

Step 3

Adjust quality and conversion settings if needed

Visual Conversion Preview

xls

Source file

Size:2.4 MB
Format:XLS

Converting...

~2s

odt

Output file

Size:0.9 MB

Why Convert XLS to ODT?

Discover the advantages of converting your XLS files to ODT format

No software installation needed for XLS to ODT

Multi-sheet support in ODT

Preserve formulas in ODT output

Popular Use Cases

See how professionals use our XLS to ODT converter in real-world scenarios

1

Survey data exported to ODT

Convert XLS to ODT for this purpose quickly and easily.

2

XLS files for open-source word processing

Convert XLS to ODT for this purpose quickly and easily.

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Explore other popular file conversion options

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Convert XLS to ABW

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XLS

Frequently Asked Questions

Everything you need to know about converting XLS to ODT

No software installation needed. Our XLS to ODT converter works entirely in your web browser on any device - desktop, tablet, or mobile.
Yes! Our batch conversion feature lets you upload and convert multiple XLS files to ODT simultaneously, saving you significant time.
XLS has some limitations: Row limits, Outdated. Converting to ODT can help overcome some of these limitations.
Yes! Our converter is fully mobile-responsive. Convert XLS to ODT on iPhone, Android, or any mobile device with a web browser.
Free users can convert XLS files up to 10 MB. Pro plan supports up to 200 MB, and Business plan supports up to 500 MB per file.
XLS (Excel 97-2003) is Microsoft Excel's legacy binary spreadsheet format. It was introduced in 1987 by Microsoft.

Still Have Questions?

Our support team is here to help you with any questions about XLS to ODT conversion.

Contact SupportView All FAQs
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4

Step 4

Click Convert to process your file

5

Step 5

Download your converted ODT file

Average conversion time: Less than 2 minutes

Saved:-61%
61%
Size Reduction
2s
Processing Time
95%+
Quality Retained

This visualization shows the XLS to ODT conversion process. A source XLS file of 2.4 MB is converted to ODT format resulting in 61% file size reduction while retaining 95%+ quality. The conversion takes approximately 2s.

Batch process multiple XLS files at once

XLS offers smaller than xlsx

Additional Features

200+
Supported Formats
243+
File Formats
<2 min
Average Time
24/7
Available
3

Simple spreadsheets with ODT output

Convert XLS to ODT for this purpose quickly and easily.

4

XLS files for academic work

Convert XLS to ODT for this purpose quickly and easily.

5

Data storage with ODT output

Convert XLS to ODT for this purpose quickly and easily.

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Convert ET to ODT

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Convert ODT to XLS

Online ODT to XLS converter. Fast, free, and secure conversion.

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Can't Find Your Conversion?

We support 200+ file formats. Browse our complete list of conversions or start converting now!

Start ConvertingView All Formats

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