You can find special converters designed specially for the purpose of export vCard contacts files (.vcf) to a spreadsheet, in case of vcf to xls conversion, Microsoft Excel one. One of such programs is the SoftSpire vCard Converter, but you can probably other similar utilities.
Convert vCard contacts to Microsoft Excel 97 to 2003 workbook.
We have found one software suitable in our database for this conversion.
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The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.