You will need either some Apple device or computer or iCloud account in order to convert Excel spreadsheet (.xlsx) to Numbers spreadsheet (.numbers). There is unfortunately no other way around this as no standard Windows programs support formats from former iWorks programs.
Convert Microsoft Excel Open XML workbook and spreadsheet to Apple Numbers spreadsheet.
We have found 2 software records in our database eligible for .xlsx to .numbers file format conversion.
Articles and other information relating to xlsx into numbers conversion:
How to open and convert Numbers spreadsheets online using iWork for iCloud - Using iWork for iCloud for making new and conversion of old Apple documents
Apple macOS / Mac OS X software - convert xlsx to numbers on OS X
A spreadsheet application from Apple
Convert from xlsx file format
|Yes, Numbers for Mac supports xlsx file conversion as a source file type.||Yes||Yes||xlsx editor||Yes||No||No||No|
|Yes, Numbers for Mac supports numbers file conversion as a target file type.||Yes||Yes||numbers 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 xlsx to numbers. 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.
Apple iOS (iPhone, iPad, iPod Touch devices) software - convert xlsx to numbers on iOS
A preadsheet editing application for iOS