Amanda it working !! Mi file size is 2038 MgB !

//////////////////////////
LOCAL nHan AS Integer
LOCAL nNew AS Integer

nHan = FOPEN("D:\LOLEK.TXT",12)

IF nHan > 0
nOff = FSEEK(nHan,0,2) && New pointer end file
FOR x = nOff TO 0 STEP -2264 &&&& !!!!!!
nNew = FSEEK(nHan,x,0) && New pointer end file
NEXT
FCLOSE(nHan)
ENDIF