# Read, Write and Edit xlsx Files

## Documentation for package ‘openxlsx’ version 4.2.8.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A B C D F G I L M N O P R S T U W misc

openxlsx-package | xlsx reading, writing and editing.

## -- A --

activeSheet | Get/set active sheet of the workbook
activeSheet<- | Get/set active sheet of the workbook
addCreator | Add another author to the meta data of the file.
addFilter | Add column filters
addStyle | Add a style to a set of cells
addWorksheet | Add a worksheet to a workbook
all.equal | Check equality of workbooks
all.equal.Workbook | Check equality of workbooks
as.character.formula | 'as.character.formula()'
auto_heights | Compute optimal row heights

## -- B --

buildWorkbook | Build Workbook

## -- C --

cloneWorksheet | Clone a worksheet to a workbook
col2int | Convert Excel column to integer
conditionalFormat | Add conditional formatting to cells
conditionalFormatting | Add conditional formatting to cells
convertFromExcelRef | Convert excel column name to integer index
convertToDate | Convert from excel date number to R Date type
convertToDateTime | Convert from excel time number to R POSIXct type.
copyWorkbook | Copy a Workbook object.
createComment | create a Comment object
createNamedRegion | Create / delete a named region.
createStyle | Create a cell style
createWorkbook | Create a new Workbook object

## -- D --

databar | Add conditional formatting to cells
dataValidation | Add data validation to cells
deleteData | Delete cell data
deleteDataColumn | Deletes a whole column from a workbook
deleteNamedRegion | Create / delete a named region.

## -- F --

freezePane | Freeze a worksheet pane

## -- G --

getBaseFont | Return the workbook default font
getCellRefs | Return excel cell coordinates from (x,y) coordinates
getCreators | Get the names of the authors from the meta data of the file.
getDateOrigin | Get the date origin an xlsx file is using
getNamedRegions | Get named regions
getSheetNames | Get names of worksheets
getStyles | Returns a list of all styles in the workbook
getTables | List Excel tables in a workbook
getWindowSize | Set and Get Window Size for xlsx file
get_worksheet_entries | Get entries from workbook worksheet
groupColumns | Group columns
groupRows | Group Rows

## -- I --

if_null_then | If NULL then ...
insertImage | Insert an image into a worksheet
insertPlot | Insert the current plot into a worksheet
int2col | Convert integer to Excel column

## -- L --

loadWorkbook | Load an existing .xlsx file

## -- M --

makeHyperlinkString | create Excel hyperlink string
mergeCells | Merge cells within a worksheet
modifyBaseFont | Modify the default font

## -- N --

names | get or set worksheet names
names.Workbook | get or set worksheet names
names<-.Workbook | get or set worksheet names

## -- O --

op.openxlsx | openxlsx Options
openXL | Open a Microsoft Excel file (xls/xlsx) or an openxlsx Workbook
openxlsx | xlsx reading, writing and editing.
openxlsxFontSizeLookupTable | Font Size Lookup tables
openxlsxFontSizeLookupTableBold | Font Size Lookup tables
openxlsx_getOp | openxlsx Options
openxlsx_options | openxlsx Options
openxlsx_setOp | openxlsx Options

## -- P --

pageBreak | add a page break to a worksheet
pageSetup | Set page margins, orientation and print scaling
protectWorkbook | Protect a workbook from modifications
protectWorksheet | Protect a worksheet from modifications

## -- R --

read.xlsx | Read from an Excel file or Workbook object
readWorkbook | Read from an Excel file or Workbook object
removeCellMerge | Create a new Workbook object
removeColWidths | Remove column widths from a worksheet
removeComment | Remove a comment from a cell
removeFilter | Remove a worksheet filter
removeRowHeights | Remove custom row heights from a worksheet
removeTable | Remove an Excel table in a workbook
removeWorksheet | Remove a worksheet from a workbook
renameWorksheet | Rename a worksheet
replaceStyle | Replace an existing cell style

## -- S --

saveWorkbook | save Workbook to file
setColWidths | Set worksheet column widths
setFooter | Set footer for all worksheets
setHeader | Set header for all worksheets
setHeaderFooter | Set document headers and footers
setLastModifiedBy | Set the author who modified the file last.
setRowHeights | Set worksheet row heights
setWindowSize | Set and Get Window Size for xlsx file
sheets | Returns names of worksheets.
sheetVisibility | Get/set worksheet visible state
sheetVisibility<- | Get/set worksheet visible state
sheetVisible | Get worksheet visible state.
sheetVisible<- | Get worksheet visible state.
showGridLines | Set worksheet gridlines to show or hide.

## -- T --

temp_xlsx | helper function to create tempory directory for testing purpose

## -- U --

ungroupColumns | Ungroup Columns
ungroupRows | Ungroup Rows

## -- W --

worksheetOrder | Order of worksheets in xlsx file
worksheetOrder<- | Order of worksheets in xlsx file
write.xlsx | write data to an xlsx file
writeComment | write a cell comment
writeData | Write an object to a worksheet
writeDataTable | Write to a worksheet as an Excel table
writeFormula | Write a character vector as an Excel Formula

## -- misc --

%||% | If NULL then ...