>>What is your exact command and did you try to output the gcClaimFIle variable?
>
>Append from (gcClaimFile) type xl5 sheet "loss_run"
>
>'gcClaimFile' contains the path and file name returned from GetFile().
>
>I also tried xl8 with exactly the same result - works for me, not for him, but works for him if he types the line (with the actual file name) into his external command line program ('x-ray').

Is gcClaimFile exactly the same for both? E.g. the same drive letter?

Also just in case you may add m. in front of it to eliminate probable field name.