>hh="d:\outmail\out"+TTOC(DATETIME())+".dbf"
>hh=STRTRAN(hh," "+"")
>hh=STRTRAN(hh,":"+"")
>hh=STRTRAN(hh,"/"+"")
>
>
>the value of hh is d:\outmail\out07012015084913.dbf
>
>SELECT outmail
>
>COPY TO &hh
>
>I get invalid path or filename - what am I doing wrong?
>
>d:\outmail dirctory exists exists as does the file outmail

Aside from the other comments, use

ttoc(datetime(), 1)

No need for strtran