>If I use the APPEND FROM command, to append from a text file, it does not append any data into memo fields. How can I force it to do so?

You cannot. If the text for a memfiled in the textfile is shorter than 255 characters, you can create cursor with the same layout as a table and a character filed 254 char long instead of memo. First append text file to the cursor and than append the cursor to the table.