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openxlsx - a fast way to read and write complex xslx files

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**Is your feature request related to a problem? Please describe.** I'm creating validations that require custom input messages and error alerts, but the current implementation of validations does not appear...

enhancement
help wanted
Stale

@JanMarvin @jmbarbone @jeff-m-sullivan Could you please update the NEWS for the up coming CRAN release?

Stale

In `writeDataTable()` or `writeData()`, col.names and row.names are deprecated. Therefore, please remove col.names and row.names from documentation in `buildWorkbook` and `write.xlsx`: > colNames ~or col.names~ If TRUE, column names of...

**Describe the bug** `openxlsx_setOp` fails to set a style for `headerStyle`. **To Reproduce** When answering [this question](https://stackoverflow.com/questions/73406826/openxlsx-openxlsx-setopheaderstyle/73406961#73406961) on SO I stumbled over a possible bug in `openxlsx_setOp`: ``` r library(openxlsx)...

Disclaimer: I yet have to figure out how to make a reproducible example (because as of now I can't, well, reproduce with a small toy example the issue in one...

Would it be possible to have a function whereby: 1. you load in an existing xlsx file which contains a table using loadWorkbook 2. then use this new function to...

It seems you can only group one set of rows per worksheet with this function. I want to create 3 separate, non-nested groups in the iris data set by Species....

fixed

Why the default date format does not match Excel default date format (Windows Regional setting)? The following code formats date as `mm.dd.yyyy`, while my Excel default date formatting is `*dd.mm.yy`....

fixed

Hello, It seems like it was already done at one point, but is not present in the current version of openxlsx. https://github.com/awalker89/openxlsx/pull/382 This feature would be incredibly useful. Not sure...