Browse file extensions by file type category:
Spreadsheet and workbook file type extensions
(173 file extension database entries)
File extensions used for various spreadsheets and workbook formats
Spreadsheet and workbook file extension list
File extensions used for various spreadsheets and workbook formats.
A spreadsheet is a computer application or program, which simulates a paper, or accounting worksheet. It displays multiple cells that together make up a grid consisting of rows and columns, with each cell containing alphanumeric text, numeric values or formulas. A formula defines how the content of that cell is to be calculated from the contents of any other cell (or combination of cells) each time any cell is updated. Spreadsheets are frequently used for statistical or financial information because of their ability to re-calculate the entire sheet automatically after a change to a single cell is made.
Visicalc is usually considered the first spreadsheet program, and it helped turn the Apple II computer into a success and greatly assisted in their widespread application. Lotus 1-2-3 was the leading spreadsheet when MS-DOS was the dominant operating system on the market. Microsoft Excel (.xls, .xlsx) now has the largest market share on the Windows and MacOS platforms, but you can find many other spreadsheet programs, often as part of some office productivity bundles, for example IBM Lotus 1-2-3 (.123), Numbers (.numbers), OpenOffice.org Calc, LibreOffice Calc (.ods), Gnumeric, Quatro Pro (.qpw) and more.
This category of file extensions is made up by files that are generally the proprietary output format of certain programs, or generally accepted standards and exchange formats supported in almost every modern spreadsheet editor.
Sort by: Extension | Sort by: File type description |
![]() | Microsoft Excel Open XML workbook and spreadsheet |
![]() | Apple Numbers spreadsheet |
![]() | Microsoft Excel 97 to 2003 workbook |
file extension _xls | Microsoft Excel workbook |
file extension xmcd | PTC Mathcad worksheet |
QuickBooks interchange format | |
![]() | Lotus 1-2-3 spreadsheet |
![]() | OpenDocument spreadsheet |
![]() | Microsoft Excel binary workbook |
file extension et | Kingsoft Spreadsheets document |
file extension tsv | Tab Separated Values |
file extension mpj | MINITAB spreadsheet project |
![]() | Microsoft Excel spreadsheet |
file extension ms | Maple worksheet |
![]() | Lotus 1-2-3 version 4.x spreadsheet |
file extension sta | Statistica data spreadsheet |
![]() | Microsoft Excel Open XML macro-enabled workbook |
![]() | Lotus 1-2-3 version 2.x spreadsheet |
![]() | PlanMaker spreadsheet |
![]() | Apache OpenOffice 1.0 spreadsheet |
![]() | Tab Delineated file format |
![]() | Microsoft Works spreadsheet document |
file extension excel | Microsoft Excel spreadsheet |
![]() | ClarisWorks document |
file extension pmdx | PlanMaker spreadsheet |
![]() | Navy DIF spreadsheet |
file extension jnb | SigmaPlot workbook |
file extension wr1 | Lotus Symphony spreadsheet |
file extension ecsv | Encapsulated Comma Separated Value file |
file extension nmbtemplate | Apple Numbers spreadsheet template |
file extension vc | VisiCalc spreadsheet |
Corel Quattro Pro spreadsheet | |
![]() | Microsoft Excel 97 to 2003 workbook template |
![]() | Lotus 1-2-3 version 3.x spreadsheet |
Microsoft Symbolic Link format | |
Microsoft Pocket Excel spreadsheet | |
file extension jzz | Lotus Jazz spreadsheet file |
![]() | Corel Quattro Pro spreadsheet |
![]() | Microsoft Excel Open XML workbook template |
file extension ksp | Calligra Sheets spreadsheet |
![]() | Microsoft Works spreadsheet |
![]() | Microsoft Excel Symbolic Link format |
Quattro Pro for MS-DOS spreadsheet | |
![]() | OpenDocument Flat XML spreadsheet |
![]() | OpenOffice.org spreadsheet |
![]() | Ability Spreadsheet spredsheet |
file extension xmlx | Excel spreadsheet |
file extension mtx | Matrix spreadsheet |
![]() | Lotus 1-2-3 spreadsheet |
![]() | OpenOffice.org OpenDocument spreadsheet template |
Corel Quattro Pro spreadsheet | |
Microsoft Excel for Mac spreadsheet | |
Corel Quattro Pro spreadsheet | |
Microsoft Excel for Mac spreadsheet | |
file extension spw | SLIM-Master Plan workbook |
file extension mtp | Minitab portable worksheet |
file extension skv | Semicolon separated values file |
![]() | OpenOffice.org Calc spreadsheet template |
![]() | Lotus 1-2-3 version 3.x spreadsheet |
![]() | Microsoft Excel Open XML macro-enabled workbook template |
Microsoft Excel spreadsheet | |
Corel Quattro Pro compressed spreadsheet | |
file extension wkz | Wingz spreadsheet |
![]() | Lotus 1-2-3 spreadsheet (compressed) |
file extension uos | Unified Office format spreadsheet |
Corel Quattro Pro for MS-DOS spreadsheet | |
file extension csvx | XML CSV database |
file extension mws | Maple spreadsheet document |
file extension vts | Formula One workbook |
![]() | PlanMaker spreadsheet template |
file extension qvo | QlikView table data |
file extension xslb | Microsoft Excel data |
![]() | Microsoft Excel XML worksheet file |
file extension xlmx | Microsoft Excel macro-enabled spreadsheet file |
Corel Quattro Pro for MS-DOS spreadsheet | |
file extension nam | DMAP spreadsheet |
Microsoft Excel for Mac Symbolic Link | |
file extension xs4 | XESS worksheet |
file extension $$s | OS/2 spreadsheet |
file extension ett | WPS Office Sheets spreadsheet template |
![]() | Lotus 1-2-3 version 2 spreadsheet |
Corel Quattro Pro spreadsheet | |
file extension bwb | Visual Baler spreadsheet |
![]() | Lotus 1-2-3 for OS/2 worksheet |
Microsoft Excel 5 for Mac spreadsheet | |
Microsoft Excel 4 for Mac spreadsheet | |
![]() | Lotus 1-2-3 spreadsheet |
file extension lgx | Logistix spreadsheet |
file extension wzk | Wingz compressed spreadsheet |
Microsoft Excel 98 for Mac spreadsheet file | |
![]() | Microsoft Excel MIME HTML spreadsheet |
file extension wj3 | Lotus 1-2-3 worksheet |
Corel WordPerfect Office spreadsheet | |
![]() | Lotus 1-2-3 version 2 spreadsheet file |
file extension rs1 | RETScreen spreadsheet file |
file extension otw | Origin worksheet template |
file extension wrk | Lotus Symphony spreadsheet |
![]() | Lotus 1-2-3 Educational version spreadsheet |
file extension spr | Psion Series 3 spreadsheet file |
file extension ess | EasySpreadsheet spreadsheet |
![]() | Lotus 1-2-3 version 5 spreadsheet file |
![]() | Lotus Improv spreadsheet |
Microsoft Excel 3 for Mac spreadsheet file | |
file extension sxls | Sealed Excel spreadsheet |
file extension stw | Statistica workbook |
file extension sht | WaveStar datasheet |
![]() | Lotus 1-2-3 release 2.x spreadsheet |
Corel Quattro Pro for MS-DOS spreadsheet | |
file extension xmap | Xmind 2007 or 2008 workbook |
file extension lcw | Lucid 3-D spreadsheet |
file extension smx | Statistica matrix spreadsheet file |
file extension ssf | Enable spreadsheet |
file extension atf | GenePix Axon text doucment |
![]() | Lotus 1-2-3 version 1.x spreadsheet |
file extension sxlsx | Sealed Microsoft Excel 2007 worksheet |
file extension xlsxe | Document Manager encrypted Excel spreadsheet |
Corel Quattro Pro spreadsheet file | |
file extension tc6 | Calc602 spreadsheet |
file extension ogw | OriginLab worksheet |
file extension sky | Microsoft Multiplan SYLK spreadsheet |
file extension lss | Legato spreadsheet |
file extension valu | VALU Macintosh spreadsheet |
file extension cwss | ClarisWorks spreadsheet |
file extension gsw | GraphShow worksheet |
file extension tcd | TurboCalc spreadsheet file |
Microsoft Excel 2 for Mac workbook | |
file extension ag | Argus spreadsheet |
file extension mod | Microsoft Multiplan spreadsheet |
Microsoft Excel Symbolic Link format | |
file extension fp | FileMaker Pro database |
file extension tii | Texas Instruments TI InterActive! workbook |
file extension col | Microsoft Multiplan spreadsheet |
file extension fj3 | Lotus 1-2-3 worksheet |
file extension numbers-tef | Apple Numbers iCloud spreadsheet |
file extension wks | DeskMate worksheet |
file extension as | Applix / IBM Cognos spreadsheet |
file extension css | Statistica data sheet |
file extension wat | WATFILE data |
file extension vcx | VisiCalc advanced spreadsheet |
![]() | Microsoft Works for Mac spreadsheet |
file extension ens | Enable spreadsheet |
file extension xqt | SuperCalc macro spreadsheet file |
file extension pxd | Pocket Excel spreadsheet |
file extension wkb | Generally workbook |
![]() | Lotus 1-2-3 worksheet |
file extension spr | Brother Powernote spreadsheet |
![]() | Ability Spreadsheet template |
file extension pmbak | PlanMaker backup |
file extension siag | SIAG spreadsheet |
file extension pmvx | PlanMaker spreadsheet template |
file extension pln | Psion Organiser spreadsheet |
file extension pt | PTab spreadsheet |
![]() | Microsoft Works for Mac spreadsheet |
file extension xs5 | XESS worksheet file |
file extension dwk | DADiSP worksheet |
file extension xss | Ability Office spreadsheet |
Microsoft Excel 5 for Mac workbook file | |
Microsoft Excel 3 for Mac template | |
Microsoft Excel 4 for Mac template file | |
file extension mar | Mariner Calc spreadsheet file |
Microsoft Excel 4 for Mac workbook file | |
file extension faff | Professional Calc spreadsheet file |
file extension t | IRIS spreadsheet |
Microsoft Excel 5 for Mac template file | |
Microsoft Excel 98 for Mac template | |
Microsoft Excel 3 for Mac workbook | |
file extension swss | ClarisWork spreadsheet file |
file extension gnm | Gnumeric sheet |
file extension oleo | GNU Oleo spreadsheet |
file extension psisheet | Psion 5 sheet |
file extension sc | Xspread spreadsheet |
file extension gnumeric | Gnumeric sheet |
file extension mps | IBM Linear and Integer Program Expression data |