Spreadsheet Files
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 Type | Popularity |
|---|---|---|
| .CTS | TreeSheets Hierarchical Spreadsheet | 4.0 |
| .XLSX | Microsoft Excel Spreadsheet | 3.9 |
| .XLS | Microsoft Excel Spreadsheet (Legacy) | 3.9 |
| .XLSM | Microsoft Excel Macro-Enabled Spreadsheet | 3.8 |
| .DEF | SmartWare II Data File | 3.8 |
| .123 | Lotus 1-2-3 Spreadsheet | 3.7 |
| .DEX | Microsoft Excel Spreadsheet | 3.7 |
| .XL | Microsoft Excel Spreadsheet | 3.7 |
| .XLR | Works Spreadsheet | 3.7 |
| .PMVX | PlanMaker Spreadsheet Template | 3.7 |
| .NUMBERS-TEF | Numbers iCloud Document | 3.7 |
| .SXC | StarOffice Calc Spreadsheet | 3.6 |
| .NB | Mathematica Notebook | 3.6 |
| .XLTM | Microsoft Excel Macro-Enabled Spreadsheet Template | 3.6 |
| .XLSB | Microsoft Excel Binary Spreadsheet | 3.6 |
| .ODS | OpenDocument Spreadsheet | 3.6 |
| .NUMBERS | Apple Numbers Spreadsheet | 3.6 |
| .GNUMERIC | Gnumeric Spreadsheet | 3.6 |
| .MAR | Mariner Calc Spreadsheet | 3.5 |
| .OTS | OpenDocument Spreadsheet Template | 3.5 |
| .CHIP | Microarray Annotation File | 3.5 |
| .FODS | OpenDocument Flat XML Spreadsheet | 3.5 |
| .PRESTO | Presto Project Spreadsheet | 3.5 |
| .CELL | Thinkfree Office NEO Cell Workbook | 3.5 |
| .BKS | Microsoft Works Spreadsheet Backup File | 3.5 |
| .RDF | Report Definition File | 3.4 |
| .XAR | Microsoft Excel Auto-Recovery File | 3.4 |
| ._XLS | Renamed Microsoft Excel Spreadsheet (Legacy) | 3.4 |
| .TMV | TimeMap Visual | 3.4 |
| .IMP | Improv Spreadsheet | 3.3 |
| .EFU | Everything File List | 3.3 |
| .PMD | PlanMaker Spreadsheet (Legacy) | 3.3 |
| .WQ2 | Quattro Pro for DOS Spreadsheet File | 3.3 |
| .NMBTEMPLATE | Numbers Spreadsheet Template | 3.3 |
| .SDC | Apache OpenOffice Calc Spreadsheet | 3.3 |
| .XLTX | Microsoft Excel Spreadsheet Template | 3.2 |
| .EDXZ | Edraw Compressed XML FIle | 3.2 |
| .FP | FileMaker Pro Spreadsheet | 3.1 |
| ._XLSX | Renamed Microsoft Excel Spreadsheet | 3.1 |
| .QPW | Quattro Pro Spreadsheet | 3.1 |
| .GSHEET | Google Sheets Shortcut | 3.0 |
| .OGWU | Origin Unicode Workbook File | 3.0 |
| .XLSHTML | Microsoft Excel HTML Spreadsheet | 3.0 |
| .NCSS | NCSS Dataset File | 3.0 |
| .AST | Ability Spreadsheet Template | 3.0 |
| .WKS | Lotus 1-2-3 Spreadsheet | 3.0 |
| .DIS | Oracle Discoverer Workbook | 2.9 |
| .12M | Lotus 1-2-3 SmartMaster File | 2.7 |
| .GNM | Gnumeric Spreadsheet | 2.7 |
| .PMDX | PlanMaker Spreadsheet | 2.6 |
| .EDX | Edraw XML FIle | 2.5 |
| .XLSMHTML | Microsoft Excel MIME HTML Spreadsheet | 2.5 |
| .ESS | EasySpreadsheet Spreadsheet | 2.5 |
| .OGW | Origin Workbook File | 2.5 |
| .AWS | Ability Spreadsheet File | 2.3 |
| .WKQ | Quattro Pro for DOS Spreadsheet File | 2.3 |
| .WQ1 | Quattro Pro for DOS Spreadsheet File | 2.3 |
| .WKS | Works Spreadsheet | 2.2 |
| .UOS | Uniform Office Spreadsheet | 2.0 |
| .FCS | First Choice Spreadsheet | 2.0 |
| .STC | StarOffice Calc Spreadsheet Template | 2.0 |
| .XLTHTML | Microsoft Excel HTML Spreadsheet Template | 2.0 |
| .WR1 | Lotus Symphony Worksheet File | 2.0 |
| .HCDT | Thinkfree Office NEO Cell Template | 2.0 |
| .PMV | PlanMaker Spreadsheet Template | 2.0 |
| .TMVT | TimeMap Template | 1.5 |
| .DFG | Data Flask Grid File | 1.3 |
| .WKI | Lotus 2 Worksheet | 1.0 |
| .WKU | Lotus 1-2-3 Spreadsheet | 1.0 |
| .WLS | 602Tab Spreadsheet | 1.0 |