Jim,

i can´t get it to ... fail. In other words it works without any problem for me on my local machine and on a different setup remote.

1) Not sure if it means something but the Excel file you sent me ends with .xlt while in the screenshot in post#1 you created a .xlv mimetype. Not sure if you used the file you sent me.

2) No problem whatsoever after creating the powerpoint mimetype

Here is a screenshot of my definitions: