HELP V. veiwing attachments

i am having a problem veiwing some attachments that my company sends to me via email. some work some dont. i click the attachment, and a window comes up, “save” or “open” for the ones that dont work i try both, but the another window coems up, asking what program to use to open it.

is there anything i can do/ download to fix this? they are very important attachments, and quick help is VERY appreciated.

Thank you.

what kind of file is it?

.xls

You need to have MS Excel…

i do, i have it installed, what next?

save the file to your desktop

open excel, and open the file through excel

ty.