.ODS | Oracle Corporation | Ficheiros de Folha de Cálculo | OpenDocument Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
.OOS | Apache Software Foundation | Ficheiros de Folha de Cálculo | Apache OpenOffice (OpenOffice.org) Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
.SILK | Microsoft Corporation | Ficheiros de Folha de Cálculo | Microsoft Excel Symbolic Link Format | Apache OpenOffice Calc | Apache Software Foundation |
.STM | Microsoft Corporation | Ficheiros de Dados | Exchange Streaming Media File | Apache OpenOffice Calc | Apache Software Foundation |
.SXC | Sun Microsystems | Ficheiros de Folha de Cálculo | StarOffice Calc Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
.WK1 | IBM | Ficheiros de Dados | Lotus Worksheet | Apache OpenOffice Calc | Apache Software Foundation |
.XLS | Microsoft Corporation | Ficheiros de Folha de Cálculo | Microsoft Excel 97 To 2003 Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |
.XLSM | Microsoft Corporation | Ficheiros de Folha de Cálculo | Microsoft Excel Open XML Macro-Enabled Spreadsheet | Apache OpenOffice Calc | Apache Software Foundation |