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