Inserting tables directly into your email campaign requires knowledge of HTML code, and unless you feel confident in your ability to modify the HTML Code, we do not recommend trying to do this.
An alternative way to insert a table is to turn it into an image.
There are many ways to convert a table/chart into an image, it will depend on the program in which you made the table, but a good idea would be a screenshot.
To insert an image into your emails visit FAQ: How do I insert an image into my emails?
To insert a table in our Drag & Drop Editor we recommend you do this as an image. To edit HTML code in Drag & Drop Editor visit: How do I view the HTML code?