My wife's computer has a very problem with outlook. Eversince February outlook can't open the data file. Error:0x8004010FJ. I have checked the data file on my own computer by putting it on a usb-stick and installing her account on my computer. Nothing wrong with the file it took 5 minutes to download all the mail accumalated since february. I have put this fully operative pst file to her computer overwriting the old one. Now she has got all the missing mail, but still her outlook cant open the file. I have checked her pop account and ran the tes. The account can send and receive. So what the hell is wrong?