Some of the leftmost borders are omitted when exported to PDF.
Add support for creating Tables and applying tables styles (predefined ones or custom).
In some cases when cells are merged the cell borders are not correctly imported.
Filter Selection dialog appears on the screen.
Workaround: Open the file with Excel and save it as a new document.
Implement a GoalSeek functionality.
Sometimes leading minus sign in a cell with text is treated as a formula.
A possible workaround is to remove the minus sign or to replace it with some other symbol.
When there are unclosed quotes (") several cells/rows are imported as one.
A possible workaround is to replace all the quote (") symbols with single quote (') symbols.