Birdie XLSX to XLS Converter

Convert multiple XLSX files into XLS format with Batch Conversion Mode

Average User Rating: 5 Star rated XLSX to XLS Conversion program (4.7/5 Reviews)


User's Guide Installation / Uninstallation Eula

$29.00 to Purchase ( Buy it Now)

XLSX to XLS Converter in brief

Convert multiple .xlsx file in batch. Convert any number of XLSX file – No size limitation. Perform complete conversion: data, rows, column, macros. Separate XLS created for each XLSX files. Convert XLSX files from MS Excel 2013, 2010 etc. Allows to convert orphan XLSX files without MS Office. Open converted XLS files in any older MS Excel version. Works with all Windows System – Windows 10, 8.1 & Below Version.

Check-out key Features List

  • Batch Convert XLSX
  • Convert with all Details
  • Save each file in separate XLS file
  • Convert XLSX from any Version
  • View XLS in any Version
  • Windows Based Machine

Product Screenshots

Add .XLSX files from store location

Click on Convert Files

XLSX to XLS Conversion complete

Product Guide

Program Name:
XLSX to XLS Converter
File size:
11.4 MB
Program Type:
System Requirements:
Pentium II 400 MHz, 64 MB RAM, Minimum 30 MB Space
Operating System
Windows 10, 8.1, 8, 7, Vista, XP etc
Q: In which Excel edition I can open the XLS files?

A:XLS files can be viewed in all MS Excel version so far launched – MS Excel 2013, 2010, 2007, 2003, 2002, 2000, 98 & 97.

Q: Is MS Office Installation needed?

A:Yes, you must have MS Office installed in your machine, as MS Excel is part of its package; it is required to convert & view the files.

Q: Does in Supports Windows 8.1?

A: Yes, you can easily perform conversion on Windows OS 8.1 and all below versions supported by the tool.


Birdie software has solved a very big problem of mine. I have got some XLSX files; which I was not able to view in my MS Excel 2002.

Dave Ronald, Argentina

There is no more issue left to open worksheets of Excel 2013 in Excel 2003, as now I have Birdie XLSX to XLS software that helps me every time I need to view any XLSX file in Excel 2003.

Laim D'costa, Nottingham

Using this tool I converted my multiple XLSX files in XLS format and easily opened in Excel.

Jenny Messer, New York

I got my all xlsx files in xls format easily without any stress and no loss of data.

Mathew, Iran

Software Supported Features

supports all Windows Version

Awards & Ratings


100% Safe & Secure

100% safe and secure tool


It proved a best software solution for me when i need to convert no. of files together. Really Thankful to it.

- Liza, Canada