Opening or even conversion of old Lotus 1-2-3 spreadsheets (.123) can be a little tricky in modern spreadsheet editors. However, some (mainly open source) programs, such as Calc programs from Ooo or LibreOffice, should still be able to open and possible re-save .123 files to other formats.
Home > Search converters: 123 to xlsx
Conversion of 123 file format to xlsx file format beta
Search for 123 to xlsx converter or software able to handle these file types.
Convert Lotus 1-2-3 spreadsheet to Microsoft Excel Open XML workbook and spreadsheet.
We have found 4 software records in our database eligible for .123 to .xlsx file format conversion.
Microsoft Windows software 
- convert 123 to xlsx on Windows
Corel Quattro Pro
A spreadsheet software application from Corel
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from 123 file | Yes, Corel Quattro Pro supports 123 file conversion as a source file type. | Yes | Yes | 123 editor | Yes | No | No | No |
to xlsx file | Yes, Corel Quattro Pro supports xlsx file conversion as a target file type. | Yes | Yes | xlsx 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 123 to xlsx. 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 123 to xlsx on any platform
Apache OpenOffice Calc (OpenOffice.org Calc)
Spreadsheet program from OpenOffice.org productivity suite
LibreOffice Calc
Full-featured spreadsheet tool from LibreOffice suite
LibreOffice Calc
Full-featured spreadsheet tool from LibreOffice suite
Additional links: 123 file extension details, xlsx file extension details
123
A 123 file extension is related to the IBM Lotus 1-2-3, a spreadsheet software and used for its spreadsheet files.
XLSX
An xlsx file extension is used by Microsoft Excel for its workbooks (spreadsheets) in Office Open XML format. XLSX is the latest spreadsheet format used by Excel with adoption of XML formatting first used in Office 2000. While older xls files were binary in nature, xlsx spreadsheets are using somewhat altered XML scheme.
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