File Extension Seeker

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File extension 12M filetypes
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Website  EXT   Filetype description                                    
    FILExt  12M  1-2-3 Smartmaster File (IBM) 
    File Extensions  12M  Lotus 123 97 smartmaster 
    File Extensions  12M  Smartmaster file 

Found 3 item(s). Click on the websites' links above for the details!