123 to XLSX Convert Online Free 123 to XLSX converter

How to convert 123 to XLSX?


You can convert 123 files to XLSX format in several ways. The most proven option is to download dedicated software that allows you to convert between the 123 and XLSX formats. At the bottom you will find a list of software programs that support 123 and XLSX files and can also save them in new file formats.

123 File Type


Lotus 1-2-3 Spreadsheet is a spreadsheet application for Windows. It was first developed by Lotus Development Corporation in 1983. The Lotus 1-2-3 Spreadsheet file extension is used to store spreadsheets created with the program. The data inside this file type is usually stored as one row of cells per column, with each cell being a result from an operation or calculation performed on other cells.

Full Name Lotus 1-2-3 Spreadsheet
Developer IBM
Category Spreadsheet Files

XLSX File Type


.XLSX is a file extension of Microsoft Excel Open XML Spreadsheet. XLSX stands for "Excel 2003 XML Spreadsheet". Users of Microsoft Excel can open the files by clicking on the "Open" button in the toolbar and selecting it from the list of file extensions that they have installed. This is a text-based spreadsheet application but there are some differences between XLS and XLSX files. For instance, an XLS file will not have any security while an XLSX file will be password protected.

Full Name Microsoft Excel Open XML Spreadsheet
Developer Microsoft
Category Spreadsheet Files

Software, that convert 123 files


The list contains a list of dedicated software for converting 123 and XLSX files. The list may also include programs that support 123 files and allow you to save them with different file extensions.


123 to XLSX Converters

  • Apache OpenOffice Calc (OpenOffice.org Calc) iconApache OpenOffice Calc (OpenOffice.org Calc)
  • Corel Quattro Pro iconCorel Quattro Pro
  • LibreOffice Calc iconLibreOffice Calc
  • 3 123 to XLSX converters

123 and XLSX conversions