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