Spreadsheets editors (Excel, Calc etc.) nowadays support export to XML format as the original files are XML based anyway. This can be done simply by the File ► Save as.. function. It will create a plain version of the spreadsheet as a XML tabled.
Convert Microsoft Excel Open XML macro-enabled workbook to XML document.
We found 3 software records in the database related to .xlsm to .xml file format conversion.
Microsoft Windows software - convert xlsm to xml on Windows
A popular spreadsheet application distributed with Microsoft Office suite
Convert from xlsm file format
|Yes, Microsoft Excel supports xlsm file conversion as a source file type.||Yes||Yes||xlsm editor||Yes||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned xlsm to xml. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software - convert xlsm to xml on any platform
Spreadsheet program from OpenOffice.org productivity suite
Full-featured spreadsheet tool from LibreOffice suite