[Solved] PHPExcel File format or extension is not valid 9to5Answer
File Format Or Extension Is Not Valid. Go to folder options, file types and check have you. Web you can also try the following methods:
Go to folder options, file types and check have you. Web you can also try the following methods:
Go to folder options, file types and check have you. Go to folder options, file types and check have you. Web you can also try the following methods:
