Some thoughts:

What OS are you using?

Could you store the path's to the text files instead of their contents in the memos?

>Hi ,
> I use memo to store a lot of data (300+ text files x ~200kb each) ,
>while I switch record ,sometimes it will crash with out of memory .
> And when I have a look with the cache file ,it is holy ! 90Mb !(Database file that store Memo = 7x Mb)
> Do you know how can I get more memory in Foxpro ?
> Or I need to release some private var. ? If yes ,would you tell me how ?
> Thanx a lot for help