You can create a new table or copy a table from any place outside of Wrike and paste it into the description field.
To create a new table click the Insert Table icon on the tool panel. Next, apply the size for the table (the maximum size of a new table is 8x15, but you can add more rows and columns later).
To edit the table:
Hover over the cell in the row or column you wish to edit.
Click the three-dot menu that appears in the right corner of the cell.
Select one of the following options from the menu:
Insert row above
Insert row below
Insert column on the left
Insert column on the right
To automatically create a new table row, press the Tab key on your keyboard while the cursor is in the last cell of the table (the cell on the right side of the bottom row).
Press Tab once to move the cursor from the current cell to the one on the right. Once you reach the last column, pressing Tab moves the cursor to the first, left-most cell in the row below.
Press Shift+Tab to move the cursor between cells from right to left and to the above row.