Browse file extensions by file type category:
Spreadsheet and workbook file type extensions
(172 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 |
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 |
file extension ms | Maple worksheet |
![]() | Microsoft Excel spreadsheet |
![]() | Lotus 1-2-3 version 4.x spreadsheet |
![]() | Lotus 1-2-3 version 2.x spreadsheet |
file extension sta | Statistica data spreadsheet |
![]() | Microsoft Excel Open XML macro-enabled workbook |
![]() | PlanMaker spreadsheet |
![]() | Apache OpenOffice 1.0 spreadsheet |
![]() | Tab Delineated file format |
![]() | Microsoft Works spreadsheet document |
file extension excel | Microsoft Excel spreadsheet |
![]() | Navy DIF spreadsheet |
file extension jnb | SigmaPlot workbook |
![]() | ClarisWorks document |
file extension wr1 | Lotus Symphony spreadsheet |
file extension pmdx | PlanMaker spreadsheet |
file extension ecsv | Encapsulated Comma Separated Value file |
file extension nmbtemplate | Apple Numbers spreadsheet template |
Corel Quattro Pro spreadsheet | |
file extension vc | VisiCalc spreadsheet |
![]() | Microsoft Excel 97 to 2003 workbook template |
![]() | Lotus 1-2-3 version 3.x spreadsheet |
Microsoft Symbolic Link format | |
Microsoft Pocket Excel spreadsheet | |
![]() | Microsoft Excel Open XML workbook template |
file extension jzz | Lotus Jazz spreadsheet file |
![]() | Microsoft Works spreadsheet |
file extension ksp | Calligra Sheets spreadsheet |
![]() | OpenDocument Flat XML spreadsheet |
Quattro Pro for MS-DOS spreadsheet | |
![]() | Corel Quattro Pro spreadsheet |
![]() | Microsoft Excel Symbolic Link format |
![]() | OpenOffice.org spreadsheet |
![]() | Ability Spreadsheet spredsheet |
file extension xmlx | Excel spreadsheet |
![]() | Lotus 1-2-3 spreadsheet |
![]() | OpenOffice.org OpenDocument spreadsheet template |
Microsoft Excel for Mac spreadsheet | |
Microsoft Excel for Mac spreadsheet | |
Corel Quattro Pro spreadsheet | |
Corel Quattro Pro spreadsheet | |
file extension mtp | Minitab portable worksheet |
file extension mtx | Matrix spreadsheet |
file extension spw | SLIM-Master Plan workbook |
file extension skv | Semicolon separated values file |
![]() | OpenOffice.org Calc spreadsheet template |
Microsoft Excel spreadsheet | |
![]() | Lotus 1-2-3 version 3.x spreadsheet |
![]() | Microsoft Excel Open XML macro-enabled workbook template |
file extension wkz | Wingz spreadsheet |
![]() | Lotus 1-2-3 spreadsheet (compressed) |
file extension uos | Unified Office format spreadsheet |
file extension csvx | XML CSV database |
file extension mws | Maple spreadsheet document |
Corel Quattro Pro for MS-DOS spreadsheet | |
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 |
![]() | PlanMaker spreadsheet template |
Corel Quattro Pro compressed spreadsheet | |
file extension nam | DMAP spreadsheet |
Corel Quattro Pro for MS-DOS spreadsheet | |
file extension xs4 | XESS worksheet |
file extension vts | Formula One workbook |
file extension $$s | OS/2 spreadsheet |
Microsoft Excel for Mac Symbolic Link | |
![]() | Lotus 1-2-3 for OS/2 worksheet |
Corel Quattro Pro spreadsheet | |
file extension ett | Kingsoft Spreadsheets template |
Microsoft Excel 4 for Mac spreadsheet | |
file extension bwb | Visual Baler spreadsheet |
file extension lgx | Logistix spreadsheet |
Microsoft Excel 5 for Mac spreadsheet | |
![]() | Lotus 1-2-3 version 2 spreadsheet |
Microsoft Excel 98 for Mac spreadsheet file | |
![]() | Microsoft Excel MIME HTML spreadsheet |
![]() | Lotus 1-2-3 spreadsheet |
file extension wzk | Wingz compressed spreadsheet |
file extension wj3 | Lotus 1-2-3 worksheet |
![]() | Lotus 1-2-3 version 2 spreadsheet file |
file extension otw | Origin worksheet template |
Corel WordPerfect Office spreadsheet | |
file extension rs1 | RETScreen spreadsheet file |
Microsoft Excel 3 for Mac spreadsheet file | |
file extension spr | Psion Series 3 spreadsheet file |
file extension wrk | Lotus Symphony spreadsheet |
![]() | Lotus 1-2-3 Educational version spreadsheet |
![]() | Lotus 1-2-3 version 5 spreadsheet file |
file extension sxls | Sealed Excel spreadsheet |
file extension ess | EasySpreadsheet spreadsheet |
file extension sht | WaveStar datasheet |
![]() | Lotus 1-2-3 release 2.x spreadsheet |
file extension stw | Statistica workbook |
![]() | Lotus Improv spreadsheet |
file extension xmap | Xmind 2007 or 2008 workbook |
file extension lcw | Lucid 3-D spreadsheet |
file extension sxlsx | Sealed Microsoft Excel 2007 worksheet |
file extension smx | Statistica matrix spreadsheet file |
![]() | Lotus 1-2-3 version 1.x spreadsheet |
file extension atf | GenePix Axon text doucment |
file extension xlsxe | Document Manager encrypted Excel spreadsheet |
Corel Quattro Pro for MS-DOS spreadsheet | |
file extension ssf | Enable spreadsheet |
file extension tc6 | Calc602 spreadsheet |
Corel Quattro Pro spreadsheet file | |
file extension cwss | ClarisWorks spreadsheet |
file extension valu | VALU Macintosh spreadsheet |
file extension gsw | GraphShow worksheet |
file extension sky | Microsoft Multiplan SYLK spreadsheet |
file extension ogw | OriginLab worksheet |
file extension lss | Legato spreadsheet |
file extension tcd | TurboCalc spreadsheet file |
Microsoft Excel 2 for Mac workbook | |
file extension fp | FileMaker Pro database |
file extension ag | Argus spreadsheet |
file extension tii | Texas Instruments TI InterActive! workbook |
Microsoft Excel Symbolic Link format | |
file extension mod | Microsoft Multiplan spreadsheet |
file extension numbers-tef | Apple Numbers iCloud spreadsheet |
file extension as | Applix spreadsheet |
file extension css | Statistica data sheet |
file extension vcx | VisiCalc advanced spreadsheet |
file extension wat | WATFILE data |
file extension ens | Enable spreadsheet |
file extension col | Microsoft Multiplan spreadsheet |
file extension fj3 | Lotus 1-2-3 worksheet |
![]() | Microsoft Works for Mac spreadsheet |
file extension wkb | Generally workbook |
file extension wks | DeskMate worksheet |
![]() | Lotus 1-2-3 worksheet |
file extension xqt | SuperCalc macro spreadsheet file |
file extension spr | Brother Powernote spreadsheet |
file extension xs5 | XESS worksheet file |
file extension pxd | Pocket Excel spreadsheet |
file extension pln | Psion Organiser spreadsheet |
![]() | Microsoft Works for Mac spreadsheet |
![]() | Ability Spreadsheet template |
file extension siag | SIAG spreadsheet |
file extension xss | Ability Office spreadsheet |
file extension dwk | DADiSP worksheet |
file extension pt | PTab spreadsheet |
Microsoft Excel 5 for Mac workbook file | |
Microsoft Excel 4 for Mac workbook file | |
Microsoft Excel 3 for Mac template | |
file extension mar | Mariner Calc spreadsheet file |
file extension faff | Professional Calc spreadsheet file |
file extension pmvx | PlanMaker spreadsheet template |
file extension t | IRIS spreadsheet |
file extension pmbak | PlanMaker backup |
Microsoft Excel 5 for Mac template file | |
Microsoft Excel 98 for Mac template | |
Microsoft Excel 4 for Mac template file | |
Microsoft Excel 3 for Mac workbook | |
file extension swss | ClarisWork spreadsheet file |
file extension sc | Xspread spreadsheet |
file extension psisheet | Psion 5 sheet |
file extension gnumeric | Gnumeric sheet |
file extension gnm | Gnumeric sheet |
file extension mps | IBM Linear and Integer Program Expression data |
file extension oleo | GNU Oleo spreadsheet |