after 8 years of my company trying to get me to lose my mac for a PC they finally found something I dont know what to do with. im getting a file that ends in .mht they sent instructions that say from explorer i should select the file and "change" it to .xls and bingo. well i cant open this dang thing in any browser. i cant just open it in excel. i cant change the suffx to .xls and open it. i cant change the suffix to .html and open it. im stumped here. any help would b great.