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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.

File Extension File Type Popularity
.123Lotus 1-2-3 Spreadsheet
.ASTAbility Spreadsheet Template
.AWSAbility Spreadsheet File
.BKSMicrosoft Works Spreadsheet Backup File
.DEFSmartWare II Data File
.DEXExcel Spreadsheet
.DFGData Flask Grid File
.DISOracle Discoverer Workbook
.EDXEdraw XML FIle
.EDXZEdraw Compressed XML FIle
.ESSEasySpreadsheet Spreadsheet
.FCSFirst Choice Spreadsheet
.FMFileMaker Database
.FODSOpenDocument Flat XML Spreadsheet
.FPFileMaker Pro Spreadsheet
.GNMGnumeric Spreadsheet
.GNUMERICGnumeric Spreadsheet
.GSHEETGoogle Drive Spreadsheet
.IMPImprov Spreadsheet
.MARMariner Calc Spreadsheet
.NBMathematica Notebook
.NCSSNCSS Dataset File
.NMBTEMPLATENumbers Spreadsheet Template
.NUMBERSNumbers Spreadsheet File
.NUMBERS-TEFNumbers iCloud Document
.ODSOpenDocument Spreadsheet
.OTSOpenDocument Spreadsheet Template
.PMDPlanMaker Spreadsheet
.PMVPlanMaker Spreadsheet Template
.QPWQuattro Pro Spreadsheet
.RDFReport Definition File
.SDCApache OpenOffice Calc Spreadsheet
.STCStarOffice Calc Spreadsheet Template
.SXCStarOffice Calc Spreadsheet
.TMVTimeMap Visual
.TMVTTimeMap Template
.UOSUniform Office Spreadsheet
.WKILotus 2 Worksheet
.WKSWorks Spreadsheet
.WKSLotus 1-2-3 Spreadsheet
.WKULotus 1-2-3 Spreadsheet
.WQ1Quattro Pro for DOS Spreadsheet File
.WQ2Quattro Pro for DOS Spreadsheet File
.XARExcel Auto-Recovery File
.XLExcel Spreadsheet
.XLRWorks Spreadsheet
.XLSExcel Spreadsheet
.XLSBExcel Binary Spreadsheet
.XLSHTMLMicrosoft Excel HTML Spreadsheet
.XLSMExcel Open XML Macro-Enabled Spreadsheet
.XLSMHTMLMicrosoft Excel MIME HTML Spreadsheet
.XLSXMicrosoft Excel Open XML Spreadsheet
.XLTHTMLMicrosoft Excel HTML Spreadsheet Template
.XLTMExcel Open XML Macro-Enabled Spreadsheet Template
.XLTXExcel Open XML Spreadsheet Template