Spreadsheet File Types
Spreadsheet files store data in cells, which are organized into rows and columns. Each cell may contain a certain type of data, such as a text string, number, or date. Cells may also contain formulas, which reference other cells.
Common spreadsheet file extensions include .XLSX, .ODS, and .NUMBERS.
| Extension | File Description | Popularity |
|---|---|---|
| .123 | Lotus 1-2-3 Spreadsheet | Average |
| .ast | Ability Spreadsheet Template | Uncommon |
| .aws | Ability Spreadsheet File | Average |
| .bks | Microsoft Works Spreadsheet Backup File | Uncommon |
| .def | SmartWare II Data File | Uncommon |
| .dex | Excel Spreadsheet | Rare |
| .dis | Oracle Discoverer Workbook | Uncommon |
| .ess | EasySpreadsheet Spreadsheet | Rare |
| .fcs | First Choice Spreadsheet | Average |
| .fm | FileMaker Database | Uncommon |
| .fp | FileMaker Pro Spreadsheet | Uncommon |
| .mar | Mariner Calc Spreadsheet | Uncommon |
| .nb | Mathematica Notebook | Common |
| .nmbtemplate | Numbers Spreadsheet Template | Uncommon |
| .numbers | Numbers Spreadsheet File | Common |
| .ods | OpenDocument Spreadsheet | Common |
| .ots | OpenDocument Spreadsheet Template | Average |
| .qpw | Quattro Pro Spreadsheet | Common |
| .rdf | Report Definition File | Average |
| .sdc | OpenOffice.org Calc Spreadsheet | Common |
| .stc | StarOffice Calc Spreadsheet Template | Uncommon |
| .sxc | StarOffice Calc Spreadsheet | Average |
| .wki | Lotus 2 Worksheet | Rare |
| .wks | Lotus 1-2-3 Spreadsheet | Uncommon |
| .wks | Works Spreadsheet | Common |
| .wku | Lotus 1-2-3 Spreadsheet | Rare |
| .wq1 | Quattro Pro for DOS Spreadsheet File | Rare |
| .wq2 | Quattro Pro for DOS Spreadsheet File | Rare |
| .xl | Excel Spreadsheet | Uncommon |
| .xlr | Works Spreadsheet | Very Common |
| .xls | Excel Spreadsheet | Very Common |
| .xlsb | Excel Binary Spreadsheet | Average |
| .xlshtml | Microsoft Excel HTML Spreadsheet | Rare |
| .xlsm | Excel Open XML Macro-Enabled Spreadsheet | Average |
| .xlsmhtml | Microsoft Excel MIME HTML Spreadsheet | Rare |
| .xlsx | Microsoft Excel Open XML Spreadsheet | Very Common |
| .xlthtml | Microsoft Excel HTML Spreadsheet Template | Rare |
| .xltm | Excel Open XML Macro-Enabled Spreadsheet Template | Common |
| .xltx | Excel Open XML Spreadsheet Template | Common |