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 |
file extension _xls | Microsoft Excel workbook |
file extension xss | Ability Office spreadsheet |
file extension xslb | Microsoft Excel data |
file extension xs5 | XESS worksheet file |
file extension xs4 | XESS worksheet |
file extension xqt | SuperCalc macro spreadsheet file |
file extension xmlx | Excel spreadsheet |
file extension xmcd | PTC Mathcad worksheet |
file extension xmap | Xmind 2007 or 2008 workbook |
file extension xlxml | Microsoft Excel XML worksheet file |
file extension xlw_ | Microsoft Excel 2 for Mac workbook |
file extension xlw5 | Microsoft Excel 5 for Mac workbook file |
file extension xlw4 | Microsoft Excel 4 for Mac workbook file |
file extension xlw3 | Microsoft Excel 3 for Mac workbook |
file extension xltx | Microsoft Excel Open XML workbook template |
file extension xltm | Microsoft Excel Open XML macro-enabled workbook template |
file extension xlt | Microsoft Excel 97 to 2003 workbook template |
file extension xls_ | Microsoft Excel for Mac spreadsheet |
file extension xlsxe | Document Manager encrypted Excel spreadsheet |
file extension xlsx | Microsoft Excel Open XML workbook and spreadsheet |
file extension xlsmhtml | Microsoft Excel MIME HTML spreadsheet |
file extension xlsm | Microsoft Excel Open XML macro-enabled workbook |
file extension xlsb | Microsoft Excel binary workbook |
file extension xls8 | Microsoft Excel 98 for Mac spreadsheet file |
file extension xls5 | Microsoft Excel 5 for Mac spreadsheet |
file extension xls4 | Microsoft Excel 4 for Mac spreadsheet |
file extension xls3 | Microsoft Excel 3 for Mac spreadsheet file |
file extension xls | Microsoft Excel 97 to 2003 workbook |
file extension xlmx | Microsoft Excel macro-enabled spreadsheet file |
file extension xl | Microsoft Excel spreadsheet |
file extension xcel | Microsoft Excel for Mac spreadsheet |
file extension wzk | Wingz compressed spreadsheet |
file extension wss | Microsoft Works for Mac spreadsheet |
file extension wrk | Lotus Symphony spreadsheet |
file extension wr1 | Lotus Symphony spreadsheet |
file extension wr! | Lotus 1-2-3 spreadsheet (compressed) |
file extension wq2 | Corel Quattro Pro for MS-DOS spreadsheet |
file extension wq1 | Quattro Pro for MS-DOS spreadsheet |
file extension wq0 | Corel Quattro Pro for MS-DOS spreadsheet |
file extension wq! | Corel Quattro Pro compressed spreadsheet |
file extension wkz | Wingz spreadsheet |
file extension wku | Lotus 1-2-3 spreadsheet |
file extension wks | Microsoft Works spreadsheet document |
file extension wks | Lotus 1-2-3 version 1.x spreadsheet |
file extension wks | DeskMate worksheet |
file extension wkq | Corel Quattro Pro for MS-DOS spreadsheet |
file extension wki | Lotus 1-2-3 version 2 spreadsheet file |
file extension wke | Lotus 1-2-3 Educational version spreadsheet |
file extension wkb | Generally workbook |
file extension wk5 | Lotus 1-2-3 version 5 spreadsheet file |
file extension wk4 | Lotus 1-2-3 version 4.x spreadsheet |
file extension wk3 | Lotus 1-2-3 version 3.x spreadsheet |
file extension wk2 | Lotus 1-2-3 version 2 spreadsheet |
file extension wk1 | Lotus 1-2-3 version 2.x spreadsheet |
file extension wk! | Lotus 1-2-3 spreadsheet |
file extension wj3 | Lotus 1-2-3 worksheet |
file extension wg2 | Lotus 1-2-3 for OS/2 worksheet |
file extension wg1 | Lotus 1-2-3 worksheet |
file extension wb? | Corel Quattro Pro spreadsheet file |
file extension wb3 | Corel Quattro Pro spreadsheet |
file extension wb2 | Corel Quattro Pro spreadsheet |
file extension wb1 | Corel Quattro Pro spreadsheet |
file extension wb0 | Corel Quattro Pro spreadsheet |
file extension wat | WATFILE data |
file extension vts | Formula One workbook |
file extension vcx | VisiCalc advanced spreadsheet |
file extension vc | VisiCalc spreadsheet |
file extension valu | VALU Macintosh spreadsheet |
file extension uos | Unified Office format spreadsheet |
file extension tsv | Tab Separated Values |
file extension tii | Texas Instruments TI InterActive! workbook |
file extension tdl | Tab Delineated file format |
file extension tcd | TurboCalc spreadsheet file |
file extension tc6 | Calc602 spreadsheet |
file extension t | IRIS spreadsheet |
file extension sylk | Microsoft Excel for Mac Symbolic Link |
file extension syk | Microsoft Excel Symbolic Link format |
file extension sxlsx | Sealed Microsoft Excel 2007 worksheet |
file extension sxls | Sealed Excel spreadsheet |
file extension sxc | Apache OpenOffice 1.0 spreadsheet |
file extension swss | ClarisWork spreadsheet file |
file extension stw | Statistica workbook |
file extension stc | OpenOffice.org Calc spreadsheet template |
file extension sta | Statistica data spreadsheet |
file extension ssf | Enable spreadsheet |
file extension spw | SLIM-Master Plan workbook |
file extension spr | Psion Series 3 spreadsheet file |
file extension spr | Brother Powernote spreadsheet |
file extension smx | Statistica matrix spreadsheet file |
file extension sls8 | Microsoft Excel 98 for Mac template |
file extension sls5 | Microsoft Excel 5 for Mac template file |
file extension sls4 | Microsoft Excel 4 for Mac template file |
file extension sls3 | Microsoft Excel 3 for Mac template |
file extension slk | Microsoft Symbolic Link format |
file extension sky | Microsoft Multiplan SYLK spreadsheet |
file extension skv | Semicolon separated values file |
file extension silk | Microsoft Excel Symbolic Link format |
file extension siag | SIAG spreadsheet |
file extension sht | WaveStar datasheet |
file extension sdc | OpenOffice.org spreadsheet |
file extension sc | Xspread spreadsheet |
file extension rs1 | RETScreen spreadsheet file |
file extension qvo | QlikView table data |
file extension qpw | Corel Quattro Pro spreadsheet |
file extension pxl | Microsoft Pocket Excel spreadsheet |
file extension pxd | Pocket Excel spreadsheet |
file extension pt | PTab spreadsheet |
file extension psisheet | Psion 5 sheet |
file extension pmvx | PlanMaker spreadsheet template |
file extension pmv | PlanMaker spreadsheet template |
file extension pmdx | PlanMaker spreadsheet |
file extension pmd | PlanMaker spreadsheet |
file extension pmbak | PlanMaker backup |
file extension pln | Corel WordPerfect Office spreadsheet |
file extension pln | Psion Organiser spreadsheet |
file extension otw | Origin worksheet template |
file extension ots | OpenOffice.org OpenDocument spreadsheet template |
file extension oleo | GNU Oleo spreadsheet |
file extension ogw | OriginLab worksheet |
file extension ods | OpenDocument spreadsheet |
file extension numbers-tef | Apple Numbers iCloud spreadsheet |
file extension numbers | Apple Numbers spreadsheet |
file extension nmbtemplate | Apple Numbers spreadsheet template |
file extension nam | DMAP spreadsheet |
file extension mws | Maple spreadsheet document |
file extension mtx | Matrix spreadsheet |
file extension mtp | Minitab portable worksheet |
file extension ms | Maple worksheet |
file extension mps | IBM Linear and Integer Program Expression data |
file extension mpj | MINITAB spreadsheet project |
file extension mod | Microsoft Multiplan spreadsheet |
file extension mar | Mariner Calc spreadsheet file |
file extension lss | Legato spreadsheet |
file extension lgx | Logistix spreadsheet |
file extension lcw | Lucid 3-D spreadsheet |
file extension ksp | Calligra Sheets spreadsheet |
file extension ks | Microsoft Works spreadsheet |
file extension jzz | Lotus Jazz spreadsheet file |
file extension jnb | SigmaPlot workbook |
file extension imp | Lotus Improv spreadsheet |
file extension iif | QuickBooks interchange format |
file extension gsw | GraphShow worksheet |
file extension gnumeric | Gnumeric sheet |
file extension gnm | Gnumeric sheet |
file extension fp | FileMaker Pro database |
file extension fods | OpenDocument Flat XML spreadsheet |
file extension fm3 | Lotus 1-2-3 version 3.x spreadsheet |
file extension fm1 | Lotus 1-2-3 release 2.x spreadsheet |
file extension fj3 | Lotus 1-2-3 worksheet |
file extension faff | Professional Calc spreadsheet file |
file extension excel | Microsoft Excel spreadsheet |
file extension ett | Kingsoft Spreadsheets template |
file extension et | Kingsoft Spreadsheets document |
file extension ess | EasySpreadsheet spreadsheet |
file extension ens | Enable spreadsheet |
file extension ecsv | Encapsulated Comma Separated Value file |
file extension dwk | DADiSP worksheet |
file extension dif | Navy DIF spreadsheet |
file extension dex | Microsoft Excel spreadsheet |
file extension cwss | ClarisWorks spreadsheet |
file extension cwk | ClarisWorks document |
file extension csvx | XML CSV database |
file extension css | Statistica data sheet |
file extension col | Microsoft Multiplan spreadsheet |
file extension bwb | Visual Baler spreadsheet |
file extension awss | Microsoft Works for Mac spreadsheet |
file extension aws | Ability Spreadsheet spredsheet |
file extension atf | GenePix Axon text doucment |
file extension ast | Ability Spreadsheet template |
file extension as | Applix / IBM Cognos spreadsheet |
file extension ag | Argus spreadsheet |
file extension 123 | Lotus 1-2-3 spreadsheet |
file extension $$s | OS/2 spreadsheet |