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Convert XLS to XLSX

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2014.7.22 (latest version)
Convert XLS to XLSX
Windows XP Windows Vista Windows 2000 Windows 7 Windows 8 - English
Since Microsoft has released its 2007 office pack, compatibility matters between old versions’ files and 2007 programs has been reported. That is why Convert XLS to XLSX has been developed, to ensure you that your old files can still be used.

Key Features

  • Conversion: with its name, Convert XLS to XLSX’s purpose cannot but be more obvious. It allows you to read your excel files (XLS) with MS Excel 2007 by transforming them into XLSX files.
  • Supported formats: Convert XLS to XLSX only supports XLS files meaning that only files created with MS Excel 2003 can be converted with this program. Although input format’s number is restricted, the entire program’s features focus on one goal, to bring you out an effective result.
  • Quick: in the cases you have to convert a whole folder of XLS files, you do not have to load them one by one; Convert XLS to XLSX already includes a batch processing tool which lets you import files to convert in a few clicks.

System requirements

  • Operating system: Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8/8.1
  • Required drive space: 1 MB
  • Requires Microsoft Excel 2007/2010/2013 or higher.


  • You can download this program for free.
  • It is easy and quick to execute.
  • You save time by using its batch processing tool.


  • This is a trial version. Limited to five file conversions.


Alternative spelling: convertxlstoxlsx-2014.7.22.exe, convertxlstoxlsx.exe
Latest update on September 10, 2019 at 01:39 PM.
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The free trial version limits you to 5 files - this is not noted before download.
Registration date
Monday April 28, 2008
Last seen
July 19, 2012

Very simple to use and reliable.
Respond to Ze Para