I need to send a Libre office calc spreadsheet to a colleague by email, so that she can enter input to it and have the formulas recalculate totals etc, and so that she can send it back to me. I understood that if I log in via Thunderbird email, that this would be possible. I have done a lot of experimenting but have not been successful. ' I am sure that both of us need to be using Thunderbird to do this, and until she is signed up to that, I am just mailing the spreadsheet to myself via thunderbird, I can open the document but cannot do any input on it, it comes up as 'read only'. I went to Tools on Libre office page and added my email address, and on Edit, clicked send 'as an open document spreadsheet' is this correct please?