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