Yes, I confirm this is a common and weel--and-sadly-known issue of all excel versions. If it import a csv with large numbers it try to apply scientific notation.
You must do implicit import of csv into excel setting up the column type. Sorry.
And this is of course not a PHPExcel issue.
You must do implicit import of csv into excel setting up the column type. Sorry.
And this is of course not a PHPExcel issue.