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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
.XLSMExcel Open XML Macro-Enabled Spreadsheet
.XLSExcel Spreadsheet
.XLSXMicrosoft Excel Open XML Spreadsheet
.123Lotus 1-2-3 Spreadsheet
.GNUMERICGnumeric Spreadsheet
.NUMBERS-TEFNumbers iCloud Document
.XLSBExcel Binary Spreadsheet
.DEXExcel Spreadsheet
.DEFSmartWare II Data File
.XLExcel Spreadsheet
.XLRWorks Spreadsheet
.SXCStarOffice Calc Spreadsheet
.NUMBERSNumbers Spreadsheet File
.ODSOpenDocument Spreadsheet
.NBMathematica Notebook
.XARExcel Auto-Recovery File
.NMBTEMPLATENumbers Spreadsheet Template
.BKSMicrosoft Works Spreadsheet Backup File
.IMPImprov Spreadsheet
.FPFileMaker Pro Spreadsheet
.RDFReport Definition File
._XLSXRenamed Microsoft Excel Open XML Spreadsheet
.XLTMExcel Open XML Macro-Enabled Spreadsheet Template
._XLSRenamed Microsoft Excel Spreadsheet
.OTSOpenDocument Spreadsheet Template
.PMDPlanMaker Spreadsheet
.EDXZEdraw Compressed XML FIle
.XLSHTMLMicrosoft Excel HTML Spreadsheet
.CELLThinkfree Office NEO Cell Workbook
.SDCApache OpenOffice Calc Spreadsheet
.XLTXExcel Open XML Spreadsheet Template
.TMVTimeMap Visual
.QPWQuattro Pro Spreadsheet
.FODSOpenDocument Flat XML Spreadsheet
.GSHEETGoogle Drive Spreadsheet Link File
.OGWUOrigin Unicode Workbook File
.PMVXPlanMaker Spreadsheet Template
.FMFileMaker Database
.WKSLotus 1-2-3 Spreadsheet
.WQ2Quattro Pro for DOS Spreadsheet File
.DISOracle Discoverer Workbook
.PMDXPlanMaker Spreadsheet
.EDXEdraw XML FIle
.ESSEasySpreadsheet Spreadsheet
.GNMGnumeric Spreadsheet
.UOSUniform Office Spreadsheet
.ASTAbility Spreadsheet Template
.XLSMHTMLMicrosoft Excel MIME HTML Spreadsheet
.12MLotus 1-2-3 SmartMaster File
.WKQQuattro Pro for DOS Spreadsheet File
.AWSAbility Spreadsheet File
.WQ1Quattro Pro for DOS Spreadsheet File
.WKSWorks Spreadsheet
.OGWOrigin Workbook File
.MARMariner Calc Spreadsheet
.WR1Lotus Symphony Worksheet File
.NCSSNCSS Dataset File
.FCSFirst Choice Spreadsheet
.HCDTThinkfree Office NEO Cell Template
.STCStarOffice Calc Spreadsheet Template
.PMVPlanMaker Spreadsheet Template
.TMVTTimeMap Template
.DFGData Flask Grid File
.WKILotus 2 Worksheet
.XLTHTMLMicrosoft Excel HTML Spreadsheet Template
.WKULotus 1-2-3 Spreadsheet