I think it would be nice if you could copy/paste a spreadsheet into a forum post.
Create the ability to copy and paste an excel spreadsheet into a forum post.
This is not currently planned.
Kelly Duddridge commented
the BBCodes to add tables (... [table][tr][td][th] etc) are very simplistic and dont allow for headers (not working at all) borders, coloured backgrounds, very long winded codes, most of which dont work