Max Desiatov

You should not address cells via their indices in an array of cells. Every cell has [a `reference` property](https://github.com/CoreOffice/CoreXLSX/blob/ef0380fc2a6f1382073431244ce347708aefe09f/Sources/CoreXLSX/Worksheet/Cell.swift#L37), which you can read to understand where exactly a given cell...

Could you also share more details about this behavior? What do you mean by "file is not read"? Is an error thrown in the code that you're catching? Does it...

In your code from the description, you're assigning a path URL passed by the document picker as `let filepath = url.path` and never using it again, then you're trying to...

And in this original code, which exact line was bailing out, `url.startAccessingSecurityScopedResource()` or `XLSXFile(filepath: filePath)`?

Have you tried following this SO page? https://stackoverflow.com/questions/41144992/startaccessingsecurityscopedresource-return-always-false According to it, `startAccessingSecurityScopedResource` may return `false` when the file is not secured, but it may still be readable.

Hi @tburnt, is this issue still reproducible for you?

@tburnt please refer to #160 WRT document picker. Are you providing a security scoped access URL, as described in a solution for this issue? https://github.com/CoreOffice/CoreXLSX/issues/160 Also, your issue does not...

Please create a separate issue and provide additional details there: the exact error message and error type you're seeing, the file you're trying to open, and a self-contained sample project...

I had an attempt to implement `.pptx` in #63, but haven't got that completely finished. I imagine `.docx` support would look quite similar. I'm still on the fence whether it...

Hi @ALLNDR, sorry for the late reply. Would you be able to create a sample spreadsheet with such dropdown and attach it to this issue? Thanks!