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.

Extension File Type Popularity
.XLSXMicrosoft Excel Spreadsheet
.XLSMMicrosoft Excel Macro-Enabled Spreadsheet
.XLSMicrosoft Excel Spreadsheet (Legacy)
.GNUMERICGnumeric Spreadsheet
.DEXMicrosoft Excel Spreadsheet
.123Lotus 1-2-3 Spreadsheet
.DEFSmartWare II Data File
.XLMicrosoft Excel Spreadsheet
.NBMathematica Notebook
.XLRWorks Spreadsheet
.FMFileMaker Database
.NUMBERS-TEFNumbers iCloud Document
.PMVXPlanMaker Spreadsheet Template
.SXCStarOffice Calc Spreadsheet
.NUMBERSApple Numbers Spreadsheet
.XLTMMicrosoft Excel Macro-Enabled Spreadsheet Template
.XLSBMicrosoft Excel Binary Spreadsheet
.ODSOpenDocument Spreadsheet
.BKSMicrosoft Works Spreadsheet Backup File
.EFUEverything File List
.MARMariner Calc Spreadsheet
.CHIPMicroarray Annotation File
.OTSOpenDocument Spreadsheet Template
.PRESTOPresto Project Spreadsheet
.EDXZEdraw Compressed XML FIle
.CELLThinkfree Office NEO Cell Workbook
.RDFReport Definition File
.XARMicrosoft Excel Auto-Recovery File
._XLSRenamed Microsoft Excel Spreadsheet (Legacy)
.IMPImprov Spreadsheet
.PMDPlanMaker Spreadsheet
.SDCApache OpenOffice Calc Spreadsheet
.NMBTEMPLATENumbers Spreadsheet Template
.XLSHTMLMicrosoft Excel HTML Spreadsheet
.XLTXMicrosoft Excel Spreadsheet Template
.TMVTimeMap Visual
.FPFileMaker Pro Spreadsheet
.WQ2Quattro Pro for DOS Spreadsheet File
._XLSXRenamed Microsoft Excel Spreadsheet
.QPWQuattro Pro Spreadsheet
.GSHEETGoogle Sheets Shortcut
.NCSSNCSS Dataset File
.ASTAbility Spreadsheet Template
.WKSLotus 1-2-3 Spreadsheet
.OGWUOrigin Unicode Workbook File
.FODSOpenDocument Flat XML Spreadsheet
.DISOracle Discoverer Workbook
.12MLotus 1-2-3 SmartMaster File
.PMDXPlanMaker Spreadsheet
.GNMGnumeric Spreadsheet
.EDXEdraw XML FIle
.OGWOrigin Workbook File
.XLSMHTMLMicrosoft Excel MIME HTML Spreadsheet
.ESSEasySpreadsheet Spreadsheet
.WQ1Quattro Pro for DOS Spreadsheet File
.AWSAbility Spreadsheet File
.WKQQuattro Pro for DOS Spreadsheet File
.WKSWorks Spreadsheet
.XLTHTMLMicrosoft Excel HTML Spreadsheet Template
.WR1Lotus Symphony Worksheet File
.UOSUniform Office Spreadsheet
.PMVPlanMaker Spreadsheet Template
.HCDTThinkfree Office NEO Cell Template
.STCStarOffice Calc Spreadsheet Template
.FCSFirst Choice Spreadsheet
.TMVTTimeMap Template
.DFGData Flask Grid File
.WKULotus 1-2-3 Spreadsheet
.WKILotus 2 Worksheet
.WLS602Tab Spreadsheet