Abbreviation for Single Document Interface, SDI means that each workbook opens in its own window and has its own interface. This provides a lot of useful functionalities.
Conveniences of dual screen with SDI
When you work with a two monitors in a dual screen setup, showing two workbooks in the same Excel instance was not easy to do. Now with SDI, you can have a workbook each on the left and right hand screen.
Move/Copy a worksheet
With the SDI, moving a worksheet from one workbook to another is very easy; it’s like moving a file from a folder to another one.
Position your two workbooks side by side and drag and drop a worksheet from the first workbook to the other one.
Here you see that the worksheet has been moved to the other workbook :)
If you want to copy your worksheet, press the Ctrl key while you drag and drop.
Move/Copy a column, a cell
With SDI you can also move or copy a column, a row or just a cell from one workbook to another just with drag and drop.
Here is the result:
Watch the video to see a demo of this new architecture.