Tony Q.

I double check XWPF namespace. WordToHtmlConverter is not implemented but WordExtractor is implemented.

Yeah, we accept PR. We have a planned release (2.6.0) in Oct. Please also add a unit test for big number case in order to make sure that your fix...

Can you provide the Excel file?

The exception thrown by IndexedColor.ValueOf() method. In some cases, the color value=0. But there is no pre-defined color whose index equals 0.

I don't think the issue doesn't exist in previous version. Can you show me some diagnostic diagrams about memory?

Can you fork the repo and create a PR for your change?

[Cell Function](https://support.microsoft.com/en-us/office/cell-function-51bd39a5-f338-4dbe-a33f-955d67c2b2cf) [Column Function](https://support.microsoft.com/en-us/office/column-function-44e8c754-711c-4df3-9da4-47a55042554b)

Have you changed the following line? https://github.com/nissl-lab/npoi/blob/285c4c2232644d24f03d5bc6b129b2dd5e20144e/main/SS/Formula/Eval/FunctionEval.cs#L224

I did find what you need in apache poi. But I'm a bit confused about the purpose of these classes. Even if you can extract the VBA code, what can...

That's a good question :)