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