Very simple! Use this converter when you need to load Excel XML file, and convert this file into Excel XLSX format.
Please note: If you need to convert a generic XML (not Excel) file into Excel format - use our XML to Excel Online Converter.
The format name is Microsoft Office XML format.
Microsoft Office XML format is the Excel file with .XML file extension.
Microsoft Office XML format can be opened directly in Excel without conversion, because it is native Excel format.
The only difference - this file has .XML file extenstion and when there are a lot of data - this file will take more space than a regular Excel XLSX file.
This format has a name Office Open XML (OOXML) or Microsoft Open XML (MOX).
This Excel format has extension: .XLS or .XSLX.
Office Open XML format is a number of files which are zipped (put inside ZIP archive), but with .XLSX extension.
XLSX files can be opened by Microsoft Office Excel and supported by many other programs.