In Advanced mode, you can select data forms on the page's left side.
To open data forms in Advanced mode:
If you are working in Basic mode, select View, then Advanced Mode.
In the left pane, display folders by clicking next to Forms.
The folders available to you display in the view pane. If a folder contains additional folders, displays to the left of the folder name.
Under Forms, click a folder name to display the data form to open.