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 |
|---|---|---|
| .XLSM | Microsoft Excel Macro-Enabled Spreadsheet | 207 |
| .XLS | Microsoft Excel Spreadsheet (Legacy) | 209 |
| .XLSX | Microsoft Excel Spreadsheet | 209 |
| .123 | Lotus 1-2-3 Spreadsheet | 212 |
| .GNUMERIC | Gnumeric Spreadsheet | 219 |
| .DEX | Microsoft Excel Spreadsheet | 220 |
| .DEF | SmartWare II Data File | 222 |
| .XL | Microsoft Excel Spreadsheet | 226 |
| .NUMBERS | Apple Numbers Spreadsheet | 231 |
| .NUMBERS-TEF | Numbers iCloud Document | 233 |
| .XLTM | Microsoft Excel Macro-Enabled Spreadsheet Template | 233 |
| .XLSB | Microsoft Excel Binary Spreadsheet | 235 |
| .SXC | StarOffice Calc Spreadsheet | 237 |
| .XLR | Works Spreadsheet | 237 |
| .ODS | OpenDocument Spreadsheet | 242 |
| .NB | Mathematica Notebook | 244 |
| .IMP | Improv Spreadsheet | 245 |
| .OTS | OpenDocument Spreadsheet Template | 250 |
| .MAR | Mariner Calc Spreadsheet | 250 |
| .PRESTO | Presto Project Spreadsheet | 250 |
| .BKS | Microsoft Works Spreadsheet Backup File | 250 |
| .XLSHTML | Microsoft Excel HTML Spreadsheet | 250 |
| .EDXZ | Edraw Compressed XML FIle | 250 |
| .EFU | Everything File List | 250 |
| .CELL | Thinkfree Office NEO Cell Workbook | 255 |
| .RDF | Report Definition File | 257 |
| .XAR | Microsoft Excel Auto-Recovery File | 260 |
| ._XLS | Renamed Microsoft Excel Spreadsheet (Legacy) | 262 |
| .PMD | PlanMaker Spreadsheet | 271 |
| .NMBTEMPLATE | Numbers Spreadsheet Template | 275 |
| .SDC | Apache OpenOffice Calc Spreadsheet | 275 |
| .TMV | TimeMap Visual | 286 |
| .FP | FileMaker Pro Spreadsheet | 287 |
| .XLTX | Microsoft Excel Spreadsheet Template | 289 |
| .GSHEET | Google Sheets Shortcut | 289 |
| .WQ2 | Quattro Pro for DOS Spreadsheet File | 291 |
| ._XLSX | Renamed Microsoft Excel Spreadsheet | 292 |
| .QPW | Quattro Pro Spreadsheet | 294 |
| .AST | Ability Spreadsheet Template | 300 |
| .PMVX | PlanMaker Spreadsheet Template | 300 |
| .OGWU | Origin Unicode Workbook File | 300 |
| .FODS | OpenDocument Flat XML Spreadsheet | 300 |
| .FM | FileMaker Database | 300 |
| .NCSS | NCSS Dataset File | 300 |
| .WKS | Lotus 1-2-3 Spreadsheet | 307 |
| .DIS | Oracle Discoverer Workbook | 322 |
| .12M | Lotus 1-2-3 SmartMaster File | 329 |
| .GNM | Gnumeric Spreadsheet | 333 |
| .PMDX | PlanMaker Spreadsheet | 333 |
| .EDX | Edraw XML FIle | 345 |
| .OGW | Origin Workbook File | 350 |
| .ESS | EasySpreadsheet Spreadsheet | 350 |
| .AWS | Ability Spreadsheet File | 367 |
| .WKQ | Quattro Pro for DOS Spreadsheet File | 367 |
| .XLSMHTML | Microsoft Excel MIME HTML Spreadsheet | 373 |
| .WQ1 | Quattro Pro for DOS Spreadsheet File | 382 |
| .WKS | Works Spreadsheet | 385 |
| .PMV | PlanMaker Spreadsheet Template | 400 |
| .UOS | Uniform Office Spreadsheet | 400 |
| .HCDT | Thinkfree Office NEO Cell Template | 400 |
| .WR1 | Lotus Symphony Worksheet File | 400 |
| .XLTHTML | Microsoft Excel HTML Spreadsheet Template | 400 |
| .FCS | First Choice Spreadsheet | 400 |
| .STC | StarOffice Calc Spreadsheet Template | 400 |
| .TMVT | TimeMap Template | 450 |
| .DFG | Data Flask Grid File | 471 |
| .WLS | 602Tab Spreadsheet | 500 |
| .WKU | Lotus 1-2-3 Spreadsheet | 500 |
| .WKI | Lotus 2 Worksheet | 500 |