>>Hi All,
>>
>>Is there a way to know if my app is running from a USB or other removable drive?
>>
>>Thanks
>
>OK, I found DRIVETYPE() - that will do :)
>
>But is there a way to specifically test for USB?

AFAIK, no. You must check for Drivetype()=2. Since most removable drives will be 4, then you get what you want.