Yes, but it does not mean that all string functions will work with the variable that size.

>I do not think there is a practical limit. For instance,
>lc=filetostr(filename)
>may contain as many characters as in the file. Just for fun try with file having size 200 Mbt.
>
>>>this is possible to get more
>>
>>Well, yes and no. Not as a character variable but a memo field does not have the same limitations.