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