Both .123 and .fm1 files are spreadsheets from old Lotus 1-2-3 software and it is this software you have to use if you want to convert or export these files - for whatever reason that might be. You can still find installation packages of Lotus 1-2-3 on the Internet, for example in the WinWorld library.
Home > Search converters: 123 to fm1
Conversion of 123 file format to fm1 file format beta
Search for 123 to fm1 converter or software able to handle these file types.
Convert Lotus 1-2-3 spreadsheet to Lotus 1-2-3 release 2.x spreadsheet.
We have found one software suitable in our database for this conversion.
Microsoft Windows software 
- convert 123 to fm1 on Windows
Lotus 1-2-3
Old spreadsheet program from IBM
File extension | Convert | Open | Save | Edit | Create | Import | Export | Extract |
|---|---|---|---|---|---|---|---|---|
Convert from 123 file | No | Yes | Yes | 123 editor | Yes | No | No | No |
to fm1 file | No | Yes | Yes | fm1 editor | Yes | No | No | No |
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 123 file, Open fm1 file
123
Files with 123 extension can be fe mostly found as old spreadsheets from IBM Lotus 1-2-3 spreadsheet software.
FM1
An fm1 file extension is related to the Lotus 1-2-3, spreadsheet editor from IBM. An fm1 file stores spreadsheet.
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