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Spreadsheet and workbook file icon Spreadsheet and workbook file type extensions
(173 file extension database entries)

File extensions used for various spreadsheets and workbook formats

List of common spreadsheets

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.

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xlsx file icon file extension xlsxMicrosoft Excel Open XML workbook and spreadsheet
numbers file icon file extension numbersApple Numbers spreadsheet
xls file icon file extension xlsMicrosoft Excel 97 to 2003 workbook
 file extension _xlsMicrosoft Excel workbook
 file extension xmcdPTC Mathcad worksheet
iif file icon file extension iifQuickBooks interchange format
123 file icon file extension 123Lotus 1-2-3 spreadsheet
ods file icon file extension odsOpenDocument spreadsheet
xlsb file icon file extension xlsbMicrosoft Excel binary workbook
 file extension etKingsoft Spreadsheets document
 file extension tsvTab Separated Values
 file extension mpjMINITAB spreadsheet project
xl file icon file extension xlMicrosoft Excel spreadsheet
 file extension msMaple worksheet
wk4 file icon file extension wk4Lotus 1-2-3 version 4.x spreadsheet
 file extension staStatistica data spreadsheet
wk1 file icon file extension wk1Lotus 1-2-3 version 2.x spreadsheet
xlsm file icon file extension xlsmMicrosoft Excel Open XML macro-enabled workbook
pmd file icon file extension pmdPlanMaker spreadsheet
sxc file icon file extension sxcApache OpenOffice 1.0 spreadsheet
wks file icon file extension wksMicrosoft Works spreadsheet document
tdl file icon file extension tdlTab Delineated file format
 file extension excelMicrosoft Excel spreadsheet
cwk file icon file extension cwkClarisWorks document
 file extension jnbSigmaPlot workbook
dif file icon file extension difNavy DIF spreadsheet
 file extension pmdxPlanMaker spreadsheet
 file extension wr1Lotus Symphony spreadsheet
 file extension ecsvEncapsulated Comma Separated Value file
 file extension nmbtemplateApple Numbers spreadsheet template
 file extension vcVisiCalc spreadsheet
wb3 file icon file extension wb3Corel Quattro Pro spreadsheet
xlt file icon file extension xltMicrosoft Excel 97 to 2003 workbook template
wk3 file icon file extension wk3Lotus 1-2-3 version 3.x spreadsheet
slk file icon file extension slkMicrosoft Symbolic Link format
pxl file icon file extension pxlMicrosoft Pocket Excel spreadsheet
 file extension jzzLotus Jazz spreadsheet file
xltx file icon file extension xltxMicrosoft Excel Open XML workbook template
 file extension kspCalligra Sheets spreadsheet
ks file icon file extension ksMicrosoft Works spreadsheet
wq1 file icon file extension wq1Quattro Pro for MS-DOS spreadsheet
qpw file icon file extension qpwCorel Quattro Pro spreadsheet
silk file icon file extension silkMicrosoft Excel Symbolic Link format
fods file icon file extension fodsOpenDocument Flat XML spreadsheet
aws file icon file extension awsAbility Spreadsheet spredsheet
sdc file icon file extension sdcOpenOffice.org spreadsheet
 file extension xmlxExcel spreadsheet
 file extension mtxMatrix spreadsheet
wk! file icon file extension wk!Lotus 1-2-3 spreadsheet
ots file icon file extension otsOpenOffice.org OpenDocument spreadsheet template
xls_ file icon file extension xls_Microsoft Excel for Mac spreadsheet
wb1 file icon file extension wb1Corel Quattro Pro spreadsheet
xcel file icon file extension xcelMicrosoft Excel for Mac spreadsheet
 file extension mtpMinitab portable worksheet
wb2 file icon file extension wb2Corel Quattro Pro spreadsheet
 file extension spwSLIM-Master Plan workbook
 file extension skvSemicolon separated values file
stc file icon file extension stcOpenOffice.org Calc spreadsheet template
dex file icon file extension dexMicrosoft Excel spreadsheet
fm3 file icon file extension fm3Lotus 1-2-3 version 3.x spreadsheet
xltm file icon file extension xltmMicrosoft Excel Open XML macro-enabled workbook template
 file extension wkzWingz spreadsheet
 file extension uosUnified Office format spreadsheet
wkq file icon file extension wkqCorel Quattro Pro for MS-DOS spreadsheet
 file extension csvxXML CSV database
wr! file icon file extension wr!Lotus 1-2-3 spreadsheet (compressed)
 file extension mwsMaple spreadsheet document
 file extension vtsFormula One workbook
wq! file icon file extension wq!Corel Quattro Pro compressed spreadsheet
 file extension qvoQlikView table data
 file extension xslbMicrosoft Excel data
pmv file icon file extension pmvPlanMaker spreadsheet template
 file extension xlmxMicrosoft Excel macro-enabled spreadsheet file
xlxml file icon file extension xlxmlMicrosoft Excel XML worksheet file
 file extension namDMAP spreadsheet
wq2 file icon file extension wq2Corel Quattro Pro for MS-DOS spreadsheet
 file extension xs4XESS worksheet
 file extension $$sOS/2 spreadsheet
sylk file icon file extension sylkMicrosoft Excel for Mac Symbolic Link
wb0 file icon file extension wb0Corel Quattro Pro spreadsheet
wg2 file icon file extension wg2Lotus 1-2-3 for OS/2 worksheet
 file extension ettKingsoft Spreadsheets template
 file extension bwbVisual Baler spreadsheet
xls5 file icon file extension xls5Microsoft Excel 5 for Mac spreadsheet
wk2 file icon file extension wk2Lotus 1-2-3 version 2 spreadsheet
xls4 file icon file extension xls4Microsoft Excel 4 for Mac spreadsheet
 file extension lgxLogistix spreadsheet
xls8 file icon file extension xls8Microsoft Excel 98 for Mac spreadsheet file
xlsmhtml file icon file extension xlsmhtmlMicrosoft Excel MIME HTML spreadsheet
 file extension wj3Lotus 1-2-3 worksheet
wku file icon file extension wkuLotus 1-2-3 spreadsheet
 file extension wzkWingz compressed spreadsheet
 file extension rs1RETScreen spreadsheet file
wki file icon file extension wkiLotus 1-2-3 version 2 spreadsheet file
pln file icon file extension plnCorel WordPerfect Office spreadsheet
 file extension otwOrigin worksheet template
wke file icon file extension wkeLotus 1-2-3 Educational version spreadsheet
 file extension wrkLotus Symphony spreadsheet
wk5 file icon file extension wk5Lotus 1-2-3 version 5 spreadsheet file
xls3 file icon file extension xls3Microsoft Excel 3 for Mac spreadsheet file
 file extension sprPsion Series 3 spreadsheet file
 file extension sxlsSealed Excel spreadsheet
 file extension essEasySpreadsheet spreadsheet
 file extension stwStatistica workbook
imp file icon file extension impLotus Improv spreadsheet
 file extension shtWaveStar datasheet
 file extension xmapXmind 2007 or 2008 workbook
fm1 file icon file extension fm1Lotus 1-2-3 release 2.x spreadsheet
wq0 file icon file extension wq0Corel Quattro Pro for MS-DOS spreadsheet
 file extension lcwLucid 3-D spreadsheet
 file extension sxlsxSealed Microsoft Excel 2007 worksheet
 file extension smxStatistica matrix spreadsheet file
 file extension ssfEnable spreadsheet
wks file icon file extension wksLotus 1-2-3 version 1.x spreadsheet
 file extension atfGenePix Axon text doucment
 file extension xlsxeDocument Manager encrypted Excel spreadsheet
wb? file icon file extension wb?Corel Quattro Pro spreadsheet file
 file extension tc6Calc602 spreadsheet
 file extension cwssClarisWorks spreadsheet
 file extension skyMicrosoft Multiplan SYLK spreadsheet
 file extension gswGraphShow worksheet
 file extension ogwOriginLab worksheet
 file extension valuVALU Macintosh spreadsheet
 file extension lssLegato spreadsheet
 file extension tcdTurboCalc spreadsheet file
xlw_ file icon file extension xlw_Microsoft Excel 2 for Mac workbook
 file extension fpFileMaker Pro database
 file extension agArgus spreadsheet
 file extension tiiTexas Instruments TI InterActive! workbook
syk file icon file extension sykMicrosoft Excel Symbolic Link format
 file extension modMicrosoft Multiplan spreadsheet
 file extension asApplix / IBM Cognos spreadsheet
 file extension cssStatistica data sheet
 file extension numbers-tefApple Numbers iCloud spreadsheet
 file extension colMicrosoft Multiplan spreadsheet
 file extension vcxVisiCalc advanced spreadsheet
 file extension watWATFILE data
 file extension fj3Lotus 1-2-3 worksheet
wss file icon file extension wssMicrosoft Works for Mac spreadsheet
 file extension ensEnable spreadsheet
 file extension wksDeskMate worksheet
 file extension wkbGenerally workbook
 file extension sprBrother Powernote spreadsheet
 file extension xqtSuperCalc macro spreadsheet file
wg1 file icon file extension wg1Lotus 1-2-3 worksheet
 file extension pxdPocket Excel spreadsheet
 file extension xs5XESS worksheet file
awss file icon file extension awssMicrosoft Works for Mac spreadsheet
ast file icon file extension astAbility Spreadsheet template
 file extension plnPsion Organiser spreadsheet
 file extension siagSIAG spreadsheet
 file extension xssAbility Office spreadsheet
 file extension ptPTab spreadsheet
 file extension dwkDADiSP worksheet
xlw5 file icon file extension xlw5Microsoft Excel 5 for Mac workbook file
 file extension pmvxPlanMaker spreadsheet template
xlw4 file icon file extension xlw4Microsoft Excel 4 for Mac workbook file
 file extension marMariner Calc spreadsheet file
 file extension pmbakPlanMaker backup
 file extension faffProfessional Calc spreadsheet file
sls3 file icon file extension sls3Microsoft Excel 3 for Mac template
 file extension tIRIS spreadsheet
sls4 file icon file extension sls4Microsoft Excel 4 for Mac template file
sls5 file icon file extension sls5Microsoft Excel 5 for Mac template file
sls8 file icon file extension sls8Microsoft Excel 98 for Mac template
xlw3 file icon file extension xlw3Microsoft Excel 3 for Mac workbook
 file extension swssClarisWork spreadsheet file
 file extension scXspread spreadsheet
 file extension gnumericGnumeric sheet
 file extension psisheetPsion 5 sheet
 file extension gnmGnumeric sheet
 file extension mpsIBM Linear and Integer Program Expression data
 file extension oleoGNU Oleo spreadsheet


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