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Conversion of tab file format to 123 file format beta

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Convert Tab separated value to Lotus 1-2-3 spreadsheet.

We have found one software suitable in our database for this conversion.

tab to 123 conversion is legacy conversion describing import of tab separated value files (.tab) to Lotus 1-2-3 spreadsheet, something that nowadays is very rare. It might be possible that someone is still using old computer with Lotus 1-2-3 for whatever reasons, but making this conversion on modern computer might be a little tricky. The best way to approach this would be to download old copy of 1-2-3 from one of the abandonware websites and do the export in it. Unlikely converter for this exists and Excel does not support saving to ancient formats.

Microsoft Windows software Microsoft Windows icon - convert tab to 123 on Windows

Lotus 1-2-3 icon Lotus 1-2-3

Old spreadsheet program from IBM

File extension









Convert from tab file


to 123 file

NoYesYes123 editorYesNoNoNo

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.


Additional links: Open tab file, Open 123 file


Files with tab file extension can often be also found as specially formatted tab separated files, commonly used for data exchange.


Files with 123 extension can be fe mostly found as old spreadsheets from IBM Lotus 1-2-3 spreadsheet software.


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