Simply export / import tasks in a project

Simply export / import tasks in a project

Hi,

Given a Zoho project, I have exported all its tasks into a .xls or a .csv file.

Then in order to correctly import my tasks into my project back, I need to :
- edit the exported file to remove its header information (or the import tool won't find any columns, except one for the project name)
- indicate to the import tool, within the file which column stands for each task information (task name -> task, % -> % complete ...)

I don't understand why I have to edit an exported file Zoho created, in order for him to actually import it.
Is there a simpler way to export / import my tasks within a project?

Thanks