As many of you may be aware, you can indeed load and save 256-bytes of data broken down to a storage of 64-numbers using conventional method commands of CARTDATA(), DSET(), and DGET().
However, if you want more than this, you will have to use unconventional method commands of CSTORE and RELOAD.
What follows is a sample program I wrote to demonstrate writing 8-bytes to an external file and reading it back again. You can actually load and save up to 🔺8192-bytes of storage this way so it is not to be overlooked !
Definition and instructions are below: