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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
.XLSExcel Spreadsheet
.XLRWorks Spreadsheet
.XLSXMicrosoft Excel Open XML Spreadsheet
.QPWQuattro Pro Spreadsheet
.NUMBERSNumbers Spreadsheet File
.ODSOpenDocument Spreadsheet
.XLSBExcel Binary Spreadsheet
.NBMathematica Notebook
.XLTMExcel Open XML Macro-Enabled Spreadsheet Template
.XLTXExcel Open XML Spreadsheet Template
.WKSWorks Spreadsheet
.GSHEETGoogle Drive Spreadsheet
.TMVTimeMap Visual
.EDXZEdraw Compressed XML FIle
.EDXEdraw XML FIle
.XARExcel Auto-Recovery File
.NUMBERS-TEFNumbers iCloud Document
.UOSUniform Office Spreadsheet
.AWSAbility Spreadsheet File
.FODSOpenDocument Flat XML Spreadsheet
.XLSMExcel Open XML Macro-Enabled Spreadsheet
.RDFReport Definition File
.PMVXPlanMaker Spreadsheet Template
.PMDXPlanMaker Spreadsheet
.123Lotus 1-2-3 Spreadsheet
.CELLThinkfree Office NEO Cell Workbook
.OTSOpenDocument Spreadsheet Template
.OGWUOrigin Unicode Workbook File
.SXCStarOffice Calc Spreadsheet
.SDCApache OpenOffice Calc Spreadsheet
.GNMGnumeric Spreadsheet
.NCSSNCSS Dataset File
.GNUMERICGnumeric Spreadsheet
.12MLotus 1-2-3 SmartMaster File
.DFGData Flask Grid File
.OGWOrigin Workbook File
.PMVPlanMaker Spreadsheet Template
.WKSLotus 1-2-3 Spreadsheet
.HCDTThinkfree Office NEO Cell Template
.TMVTTimeMap Template
.PMDPlanMaker Spreadsheet
.ASTAbility Spreadsheet Template
.BKSMicrosoft Works Spreadsheet Backup File
.FPFileMaker Pro Spreadsheet
.STCStarOffice Calc Spreadsheet Template
.XLExcel Spreadsheet
.DEFSmartWare II Data File
.FMFileMaker Database
.MARMariner Calc Spreadsheet
.NMBTEMPLATENumbers Spreadsheet Template
.DISOracle Discoverer Workbook
.WQ2Quattro Pro for DOS Spreadsheet File
.XLTHTMLMicrosoft Excel HTML Spreadsheet Template
.WKILotus 2 Worksheet
.WKQQuattro Pro for DOS Spreadsheet File
.WKULotus 1-2-3 Spreadsheet
.ESSEasySpreadsheet Spreadsheet
.XLSMHTMLMicrosoft Excel MIME HTML Spreadsheet
.IMPImprov Spreadsheet
.XLSHTMLMicrosoft Excel HTML Spreadsheet
.DEXExcel Spreadsheet
.WQ1Quattro Pro for DOS Spreadsheet File
.FCSFirst Choice Spreadsheet