BitRecover Software Box



Batch XLS Upgrade & XLSX Downgrade Wizard

(Average Rating 4.3 Based on 1588 Ratings)

All-in-one utility to upgrade all Microsoft Excel Spreadsheets from XLS to XLSX and downgrade from XLSX to XLS in bulk

  • Converts older XLS files to the latest XLSX format without facing any difficulty.
  • Conversion of unlimited number of XLS to XLSX files without any restrictions.
  • Upgrade from newest XLSX files to the older XLS files for older Excel spreadsheets.
  • Easy way to convert XLS to XLSX selectively by which you can save time and effort.
  • Create a separate XLSX spreadsheet for each Microsoft Excel XLS file.
  • When converting XLS files to XLSX, the tool preserves the attributes of XLS files.
  • Software that exports XLS to XLSX format is quick, secure, and trustworthy.
  • Supports both earlier and newer versions of Windows, including Windows 11.
  • Simple app for upgrading and degrading the Microsoft Excel Spreadsheet format.
  • Mass convert XLS to XLSX and other savings PDF, ODS, vCard, Gmail, and more .

Why Batch XLS to XLSX Upgrade & XLSX to XLS Downgrade Wizard?

We are all aware that the XLS format is the default file for Excel versions 2003 and before, and the XLSX file format is the default file format for Excel versions 2007 and after. This incredible tool has the capability of both upgrading and downgrading the XLS and XLSX file formats. If you are working with the most recent version of Excel and need to open a file in an earlier version for official purposes, this app will come in handy. Batch XLS upgrade and XLSX downgrade tool is useful safe, secure, and easy to operate.

Eye-Catching Features of Batch XLS Upgrade & Downgrade Converter
Perfect application to Upgrade & Downgrade Excel Spreadsheet Files

Batch Change XLS to XLSX File Format

Bulk Change XLS to XLSX File Format

Through the use of a batch file conversion feature, this tool allows for the most efficient conversion of XLS (Microsoft Excel Binary File Format) to XLSX (Microsoft Excel Open Office). With the help of this application, you can convert a large number of XLS files to the XLSX format at the same time without experiencing any difficulties. This feature can help you to save your time and efforts. It is the best tool to batch change XLS to XLSX.

  • Upgrade Excel Spreadsheet 2016 to 2019
  • Upgrade Excel Spreadsheet 2013 to 2019 / 2016
  • Upgrade Excel Spreadsheet 2010 to 2019 / 2016 / 2013
  • Upgrade Excel Spreadsheet 2007 to 2019 / 2016 / 2013/ 2010

Downgrade Word DOCX file to DOCFile

Bulk Conversion from XLSX to XLS File

This software is also useful for downgrading, just as it is for upgrading. You can quickly downgrade your files with the aid of an XLSX to XLS conversion. Many situations arise in which a user needs to access their most recent XLSX files in an earlier Excel edition but is unable to do so owing to the differences in format. This software can be of great assistance to them. It can easily batch convert XLSX to XLS format at once without losing a bit of information.

  • Downgrade Excel Spreadsheet 2019 to 2016 / 2013 / 2010/ 2007
  • Downgrade Excel Spreadsheet 2016 to 2013 / 2010/ 2007
  • Downgrade Excel Spreadsheet 2013 to 2010 / 2007
  • Downgrade Excel Spreadsheet 2010 to 2007

Selective Conversion of XLS and XLSX

Selectively Convert XLS and XLSX

When developing this XLS upgrade and downgrade software, it was important to consider the needs of all types of users. We recognized that users may require the ability to convert only specific files at times, therefore we included this option. When you upload your XLS or XLSX files, you will get files / folders on left-hand panel of the application. You may now select the files that need to be converted from the drop-down menu. It will truly assist you to selectively auto convert XLS to XLSX and XLSX to XLS format depending on your requirements.

Supports Unlimited Conversion of XLS & XLSX

Supports Unlimited Conversion of XLS & XLSX

One may securely auto convert XLS to XLSX without losing dara with this software. One of the finest features of this software is that it is completely free. The utility is capable of doing an endless number of conversions. Therefore, if you have a huge number of files to convert, use this application to complete the process. Excel files may now be upgraded or downgraded in order to be opened in another Microsoft software. So, don’t waste your time. Just download the app now.

Create Separate XLSX File of Each XLS

Create Separate XLSX File of Each XLS

The biggest aspect of this XLS to XLSX Offline Converter is the availability of advanced options. This app is capable of meeting the needs of each user. Once the conversion is complete, you will notice numerous XLSX files for each XLS file. Therefore, if you have more than 500 XLS files, you will receive 500 XLSX files as a result of the conversion process. So, choose this software to upgrade and downgrade your XLS and XLSX files without facing ant type of hassle.

Choose the Output Location to Get Result

Choose the Output Location to Get Result

When you load your XLS or XLSX files, this app allows you to specify the output location for the result. By default, the XLS to XLSX Converter saves the output to the desktop. However, if you choose to modify the location, this program allows you to do so. This software's functionality enables you to simply access and manage the generated output.

Safest and Easy to Use Tool for Excel Files

Safest and Easy to Use Tool for Excel Files

This advanced application is ideal for users of all types. Due to the software's easy user interface, both technical and non-technical people may simply utilize it. This program includes an intuitive user interface to bulk convert XLS files to the XLSX format. As a result, you do not need to hire a technical specialist to complete this work. Additionally, we guarantee that this application will provide you with an entirely accurate result.

Supports All MS Excel Spreadsheet Editions

Supports All MS Excel Spreadsheet Editions

The tool is recommended for upgrading MS Excel 2013 to 2016, Excel 2011 to 2016, Excel 2007 to 2016, upgrading Excel 2013 to 2007 or downgrading Excel 2010 to 2003, Excel 2013 to 2007, Excel 2016 to 2003, Excel 2010 to 2007, Excel 2016 to Excel 2003 or later versions of Microsoft Excel. So, it is an all-in-one application for every user.

Get Accurate XLS to XLSX Conversion

Get Accurate XLS to XLSX Conversion

It is the finest software to transform XLS to XLSX files. When you export XLS files to the XLSX format, this software preserves all of their attributes. There will be no modifications made to the XLS files' original formatting. It is the finest software for batch XLS upgrade and downgrade. In a few easy clicks, this program offers you with a 100 percent safe, secure, and correct result.

MS Excel is Not Require for Conversion

MS Excel is Not Require for Conversion

It is a stand-alone application that converts XLS files to XLSX files and XLSX files to XLS files. There is no requirement for external or supported application in order to do this activity. You may easily convert without installing MS Excel. Additionally, the application allows you to install the software in a variety of different languages. You have the option of selecting the language that best suits your needs.

MS Excel XLS Upgrade & Downgrade Software Basic Specification
Know the minimum system requirements of XLS to XLSX Upgrade & XLSX to XLS Downgrade software

BitRecover Software Box
Software Download
Size 6.45 MB
Version 2.1
Take a Trial - XLS to XLSX Converter free dwonload demo version is available so that you may evaluate the functioning method and efficiency of the application. So, it is suggested to take a trial first to be sure about this application.
1588 Ratings

Trial Limitations

The XLS to XLSX Converter free download can only upgrade or downgrade the first 5 Excel files such as XLS and XLSX.

System Specifications

Hard Disk Space
100 MB of free hard disk space

Minimum 512 MB is required

Intel® Pentium 1 GHz processor(x86,x64) or equivalent

Supported Editions

Win 10 & All Below Windows Versions

Comparison of Trial & Full Version

BitRecover XLS Downgrade and Upgrade Software for Windows - Comparison of the DEMO and Licensed Versions

Features DEMO Version FULL Version
Excel Spreadsheet batch conversion from MS XLSX to XLS
Upgrade all existing Microsoft Excel Spreadsheet to the newest versions
Downgrade latest XLSX files to old XLS Spreadsheet files in bulk
Support for Windows 11 and All Previous Windows Versions
Obtain separate XLSX spreadsheet for each XLS format only first 5 XLS files All Items
24*7 Tech Support & Secure 100%
Cost FREE $29
Frequently Asked Questions

Commonly Asked User's Questions and Answers

⭐ Can I use this app to upgrade Excel 2003 XLS files to latest XLSX file format?

Yes you can. Follow the steps mentioned below to export older Excel spreadsheet to new:

  • STEP 1 : Download, install, and run the XLS to XLSX Converter software on your Windows machine.
  • STEP 2 : Click on select files or select folders to load your 2003 XLS files and click Next.
  • STEP 3 : This application will load your XLS files on the left panel. Check all or require files and click Next.
  • STEP 4 : Now, choose the destination path and click on Convert button.
  • This application will starts automatically converting XLS to XLSX format. That's it. This is how to save XLS to XLSX format.

Yes, with this amazing software, you can transfer unlimited XLS to XLSX format without facing hassle. Also, for a large number of files, it is suggested to choose Select Folder feature to save time and efforts.

Yes, XLS download & upgrade software supports selective conversion. It allows you to export selected XLSX files to XLS format as per the need.

No, this application is independent. It doesn’t require installation of supportive app to export XLS to XLSX format.

No, it is a Windows application. This XLS to XLSX Offline Converter doesn’t support Mac machine.

Yes, with this software, you can easily convert XLS to XLSX without opening the file in easy steps.

Microsoft chose to modify the default file format in Microsoft Office 2007 by adding an extra x to all document extensions; for Excel, this resulted in XLSX.

What Clients say?