Spreadsheet Files

File extension File description Developer/Producer
.123
Lotus 1-2-3 Spreadsheet IBM
.ast
Ability Spreadsheet Template Ability Plus Software
.aws
Ability Spreadsheet File Ability Plus Software
.bks
Microsoft Works Spreadsheet Backup File Microsoft
.def
SmartWare II Data File SmartWare
.dex
Excel Spreadsheet Microsoft
.dfg
Data Flask Grid File Interscape
.dis
Oracle Discoverer Workbook Oracle
.edx
Edraw XML FIle EdrawSoft
.edxz
Edraw Compressed XML FIle EdrawSoft
.ess
EasySpreadsheet Spreadsheet N/A
.fcs
First Choice Spreadsheet N/A
.fm
FileMaker Database FileMaker
.fods
OpenDocument Flat XML Spreadsheet Oracle
.fp
FileMaker Pro Spreadsheet N/A
.gsheet
Google Drive Spreadsheet Google
.imp
Improv Spreadsheet Lotus
.mar
Mariner Calc Spreadsheet Mariner Software
.nb
Mathematica Notebook Wolfram Research
.nmbtemplate
Numbers Spreadsheet Template Apple
.numbers
Numbers Spreadsheet File Apple
.numbers-tef
Numbers iCloud Document Apple
.ods
OpenDocument Spreadsheet Oracle
.ots
OpenDocument Spreadsheet Template OASIS
.pmd
PlanMaker Spreadsheet SoftMaker Software
.pmv
PlanMaker Spreadsheet Template SoftMaker Software
.qpw
Quattro Pro Spreadsheet Corel
.rdf
Report Definition File N/A
.sdc
Apache OpenOffice Calc Spreadsheet Oracle
.stc
StarOffice Calc Spreadsheet Template Oracle
.sxc
StarOffice Calc Spreadsheet Sun Microsystems
.uos
Uniform Office Spreadsheet N/A
.wki
Lotus 2 Worksheet IBM
.wks
Works Spreadsheet Microsoft
.wku
Lotus 1-2-3 Spreadsheet IBM
.wq1
Quattro Pro for DOS Spreadsheet File Corel
.wq2
Quattro Pro for DOS Spreadsheet File Corel
.xar
Excel Auto-Recovery File Microsoft
.xl
Excel Spreadsheet Microsoft
.xlr
Works Spreadsheet Microsoft
.xls
Excel Spreadsheet Microsoft
.xlsb
Excel Binary Spreadsheet Microsoft
.xlshtml
Microsoft Excel HTML Spreadsheet Microsoft
.xlsm
Excel Open XML Macro-Enabled Spreadsheet Microsoft
.xlsmhtml
Microsoft Excel MIME HTML Spreadsheet Microsoft
.xlsx
Microsoft Excel Open XML Spreadsheet Microsoft
.xlthtml
Microsoft Excel HTML Spreadsheet Template Microsoft
.xltm
Excel Open XML Macro-Enabled Spreadsheet Template Microsoft
.xltx
Excel Open XML Spreadsheet Template Microsoft