Done with your marking and ready to insert?

Your grid should look something like this in your excel file, with all the relevant fields filled out:

Click this yellow cell underneath the grid:

Then, go to the file you wish to insert the grid into, click where you want to insert it and then right click. You should see something like this:

Select "paste special" and you will see something like this:

You can select either "picture" or "PDF", but I find that "PDF" gives a cleaner image. Then, hit "ok" and your grid will be inserted!