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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 Rating
.xlrWorks Spreadsheet2.5 stars2.3333
.xlsExcel Spreadsheet4 stars3.9241
.xlsxMicrosoft Excel Open XML Spreadsheet3.5 stars3.4318
.gsheetGoogle Drive Spreadsheet4.5 stars4.6
.nbMathematica Notebook4 stars4
.numbersNumbers Spreadsheet File3.5 stars3.6667
.odsOpenDocument Spreadsheet4 stars3.8125
.qpwQuattro Pro Spreadsheet3 stars3
.tmvTimeMap Visual4 stars4
.wksWorks Spreadsheet2 stars2
.xlsbExcel Binary Spreadsheet4 stars4
.xltmExcel Open XML Macro-Enabled Spreadsheet Template4 stars4
.xltxExcel Open XML Spreadsheet Template4 stars4
.123Lotus 1-2-3 Spreadsheet2.5 stars2.6364
.awsAbility Spreadsheet File3 stars3
.edxEdraw XML FIle3 stars3
.edxzEdraw Compressed XML FIle3 stars3
.fodsOpenDocument Flat XML Spreadsheet3 stars3
.gnmGnumeric Spreadsheet3 stars3
.gnumericGnumeric Spreadsheet2.5 stars2.5
.ncssNCSS Dataset File3 stars3
.numbers-tefNumbers iCloud Document3 stars3
.otsOpenDocument Spreadsheet Template4 stars4
.pmdPlanMaker Spreadsheet3 stars3
.rdfReport Definition File3 stars3
.sdcApache OpenOffice Calc Spreadsheet3 stars3
.sxcStarOffice Calc Spreadsheet2 stars2
.uosUniform Office Spreadsheet3 stars3
.xarExcel Auto-Recovery File3 stars3
.xlsmExcel Open XML Macro-Enabled Spreadsheet4 stars4
.astAbility Spreadsheet Template2 stars2
.bksMicrosoft Works Spreadsheet Backup File2 stars2
.defSmartWare II Data File2 stars2
.dfgData Flask Grid File2 stars2
.disOracle Discoverer Workbook2 stars2
.fmFileMaker Database2 stars2
.fpFileMaker Pro Spreadsheet2 stars2
.marMariner Calc Spreadsheet2 stars2
.nmbtemplateNumbers Spreadsheet Template2 stars2
.pmvPlanMaker Spreadsheet Template2 stars2
.stcStarOffice Calc Spreadsheet Template2 stars2
.tmvtTimeMap Template2 stars2
.wksLotus 1-2-3 Spreadsheet2 stars2
.xlExcel Spreadsheet3.5 stars3.6
.dexExcel Spreadsheet1 star1
.essEasySpreadsheet Spreadsheet1 star1
.fcsFirst Choice Spreadsheet2.5 stars2.3333
.impImprov Spreadsheet3 stars3
.wkiLotus 2 Worksheet1 star1
.wkuLotus 1-2-3 Spreadsheet1 star1
.wq1Quattro Pro for DOS Spreadsheet File1 star1
.wq2Quattro Pro for DOS Spreadsheet File1 star1
.xlshtmlMicrosoft Excel HTML Spreadsheet1 star1
.xlsmhtmlMicrosoft Excel MIME HTML Spreadsheet1 star1
.xlthtmlMicrosoft Excel HTML Spreadsheet Template1 star1