Xls file of MS Excel are the spreadsheets applications of the MS office suite. It is required to have an MS excel viewer installed in the computer for viewing xls or xlsx files. Xlsx is a MS Excel 2007, format which is incompatible with the previous versions. For the comfort of users there are several alternatives for converting the excel document of 2007. Sometimes, it happens that users get an xlsx file that has been created using the MS office 2007 version. Unfortunately, one can not open it, since it can only operate the xls files but not the xlsx files. So, it is required to open the xls spreadsheets and edit it in older versions of MS Excel. XLSX Converters are capable of easily converts XLSX files to xls. It allows you to convert all types of .xlsx spreadsheet to traditional .xls format by using Microsoft Office compatibility Pack. It also allows you to open, edit, as well as save .xlsx files in Office 2000, 2003, Office XP etc.

          

But sometimes while converting the xlsx files to xls you may face problems and gives several error messages to your computer screen. In some cases each time a user tries to convert xlsx files to xls, the conversion process stops and stucks. Nothing happens in the xlsx files until and unless EXCEL.EXE or excelcnv.exe process terminates. Such situations may lead to the corruption of your xlsx files. In such cases you will have to repair the xlsx files by using third-party excel repair tools.

Such corruptions can be easily overcome by using these tools. Excel repair tools are highly efficient to repair all types of problems found in excel files. Moreover, these tools are built with highly advanced scanning techniques or algorithms which repair the corrupt or damaged xlsx and allow you to convert the xlsx files to xls format.