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