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