EXCEL To XLSX Converter

Convert your EXCEL files to XLSX online & free

Select your EXCEL files from device, Dropbox to convert

Select file

or drop file here

Select the format you need to convert to

to

How to convert EXCEL to XLSX

Step 1

Upload EXCEL

Select files from Computer, URL, Google Drive, Dropbox or by dragging it on the page.

Step 2

Choose to XLSX

Choose XLSX or any other format you need as a result (more than 200 formats supported)

Step 3

Download your XLSX

Let the file convert and you can download your XLSX file right afterwards

How to convert XLSX to EXCEL

EXCEL

XLSX

Office Open XML Worksheet Sheet

XLSX is a file format created with Microsoft Excel, version from 2007 and younger. This file is a spreadsheet. All data distributed document and stored in the cells. Each cell has a unique address, which is denoted by the letters and Arabic numerals. XLSX file format is based on the Open XML. To reduce the size of the file is compressed ZIP.

Convert EXCEL to XLSX for Free

Pdfmall's EXCEL to XLSX converter is easy to use for free without any limitation and restriction. You don't have to register or hand in any personal info. Besides, you can even use this service on any device, at any time and anywhere.

File Security Protected

Your privacy means all to us. It's our priority to ensure its safety. None of your files or their contents will be used after the conversion. You can learn more about security from our Privacy Policy.

Conversion in The Best Quality

EXCEL to XLSX is not so difficult. But the quality is hard to guarantee. Fortunately, with our solutions, the best solutions provider on the market, our server can offer you the best quality to convert your EXCEL file to XLSX.