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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 Spreadsheet3.5 stars3.4286
.xlsExcel Spreadsheet4 stars3.8571
.xlsxMicrosoft Excel Open XML Spreadsheet3.5 stars3.5631
.gsheetGoogle Drive Spreadsheet3.5 stars3.3
.nbMathematica Notebook4.5 stars4.5556
.numbersNumbers Spreadsheet File3.5 stars3.4
.odsOpenDocument Spreadsheet3.5 stars3.4545
.qpwQuattro Pro Spreadsheet3 stars3
.tmvTimeMap Visual3 stars3
.wksWorks Spreadsheet2 stars1.8571
.xlsbExcel Binary Spreadsheet4 stars4
.xltmExcel Open XML Macro-Enabled Spreadsheet Template4 stars4
.xltxExcel Open XML Spreadsheet Template4 stars4.2
.123Lotus 1-2-3 Spreadsheet3 stars3.0667
.awsAbility Spreadsheet File3 stars3
.edxEdraw XML FIle3.5 stars3.6667
.edxzEdraw Compressed XML FIle3 stars3
.fodsOpenDocument Flat XML Spreadsheet3 stars3
.gnmGnumeric Spreadsheet3 stars3
.gnumericGnumeric Spreadsheet3.5 stars3.6667
.ncssNCSS Dataset File3 stars3
.numbers-tefNumbers iCloud Document3 stars3
.otsOpenDocument Spreadsheet Template4 stars4
.pmdPlanMaker Spreadsheet3.5 stars3.3571
.rdfReport Definition File3.5 stars3.5714
.sdcApache OpenOffice Calc Spreadsheet3.5 stars3.5
.sxcStarOffice Calc Spreadsheet3 stars2.8333
.uosUniform Office Spreadsheet3 stars3
.xarExcel Auto-Recovery File3 stars3
.xlsmExcel Open XML Macro-Enabled Spreadsheet4 stars4.1818
.astAbility Spreadsheet Template2 stars2
.bksMicrosoft Works Spreadsheet Backup File2 stars2
.defSmartWare II Data File2 stars2
.dfgData Flask Grid File2 stars2
.disOracle Discoverer Workbook1.5 stars1.5
.fmFileMaker Database2 stars2
.fpFileMaker Pro Spreadsheet3.5 stars3.5
.marMariner Calc Spreadsheet2 stars2
.nmbtemplateNumbers Spreadsheet Template2 stars2
.pmvPlanMaker Spreadsheet Template2 stars2
.stcStarOffice Calc Spreadsheet Template2 stars2
.tmvtTimeMap Template2 stars2
.wksLotus 1-2-3 Spreadsheet3 stars3
.xlExcel Spreadsheet3.5 stars3.3333
.dexExcel Spreadsheet3.5 stars3.6667
.essEasySpreadsheet Spreadsheet3 stars3
.fcsFirst Choice Spreadsheet2 stars2
.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 Spreadsheet3 stars3
.xlsmhtmlMicrosoft Excel MIME HTML Spreadsheet2 stars2
.xlthtmlMicrosoft Excel HTML Spreadsheet Template1 star1