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XLTX to XLSX converter

Convert XLTX to XLSX online from any device with a free converter.

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About Conversion app

Easily convert your XLTX files online with no registration required. Convert your XLTX documents from Windows, Linux, or macOS. Simply drag and drop your file into the upload form, select the desired output format, and click the convert button. Once the conversion is complete, you can download your XLSX file.

Depending on the XLTX file's size and format, conversion may take a few moments, but most files convert quickly. With advanced features, you can convert password-protected documents and have the results sent to your email.

Convert your XLTX documents anytime, anywhere, on any device—including mobile. Use this conversion app online 24/7—free for basic conversions.

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XLTX

Microsoft Excel Open XML Template

XLTX is a file format used for Excel Open XML Spreadsheet Templates, designed to store pre-formatted spreadsheet layouts for creating consistent and reusable Excel documents. It is supported by Microsoft Excel, LibreOffice Calc, and other spreadsheet applications, enabling users to create, edit, and share templates across platforms. The format is based on XML and ZIP compression, allowing for structured data storage, advanced formatting, and customization options such as formulas, styles, and macros.

XLSX

Microsoft Excel Open XML Spreadsheet

XLSX is a widely used file format for spreadsheets, developed by Microsoft as part of the Office Open XML standard, succeeding the older XLS format. It is supported by Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications, ensuring cross-platform compatibility. The format is based on XML and stored in a compressed ZIP container, enabling features like advanced formulas, charts, conditional formatting, and support for large datasets while maintaining smaller file sizes compared to its predecessor.

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APIs available

Convert popular document and image file formats in your app. The GroupDocs.Conversion APIs are available for .NET, Java, and many other platforms and languages.

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How it works

How to convert XLTX to XLSX

Step 1
Click inside the file drop area to upload XLTX file or drag & drop XLTX file.
Step 2
Click on Convert button. Your XLTX files will be uploaded and converted to XLSX result format.
Step 3
Download link of result files will be available instantly after conversion.
Step 4
You can also send a link to the XLSX file to your email address.
FAQ

Questions & Answers

Other Supported Conversions

You can also convert XLTX into many other file formats. Please see the complete list below.

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