Powered by groupdocs.com and groupdocs.cloud.
By uploading your files or using our service you agree with our Terms of Service and Privacy Policy.
Convert XLSX files online instantly, no sign-up required. You can convert your XLSX documents on any platform—Windows, Linux, or macOS. Upload your file, choose the output format, and press convert. When the process is done, your DOTX file will be ready for download.
The XLSX file's size and structure affect conversion time, though most files are processed in seconds. Advanced features allow you to convert password-protected documents and receive conversion results via email.
No matter where you are, convert your XLSX documents seamlessly on any device, including smartphones. Available online anytime, this conversion app is completely free for basic scenarios.
Check our videoXLSX 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.
The DOTX file format is a template file used by Microsoft Word to create new documents with predefined formatting and layout settings. It is primarily supported by Microsoft Word and other word processing applications that are compatible with the Open XML standard, such as LibreOffice and Apache OpenOffice. The format is based on XML and stores text, styles, macros, and other document elements, enabling users to create consistent and reusable templates for professional documents.
You can also convert XLSX into many other file formats. Please see the complete list below.