You have a bug in your code:

?used (MYTABLE.DBF') && change to
?used ("MYTABLE")

If you want to check if it's used exclusive:

?ISFLOCKED("MYTABLE")

>Hi all
>How can I check if my table in use?
>When i try this:

use mytable again in 0 excl

I get meg\ssage that file access is denied becase my table is in use.
>But when I run the following code:

if used (MYTABLE.DBF')
>messagebox('Used', 0+16)
>else
>messagebox('Not Used', 0+64)
>endif

I get my messagebox answer that my table not in used.
>Help please