Add punctuation: Unsure about which type of X1 file you have Do you want to know exactly what it is who created it and how to open it
A: Unsure about which type of X1 file you have? Do you want to know exactly what it is, who created it, and how to open it?

Add punctuation: Puerto Madero district of Buenos Aires Argentina photo travels
A: Puerto Madero - district of Buenos Aires, Argentina - photo travels

Add punctuation: Camp Nou 12B can be reserved only if the booking start date is between 26 Jun 2015 11 Jul 2015
A:
Camp Nou 1-2B can be reserved only if the booking start date is between 26 Jun 2015 - 11 Jul 2015