Grid Mode Navigation
When you first open a document in Grid mode, the content is collapsed.
      Only the root element and its attributes are displayed. An arrow sign ( ) displayed at the left of the node name indicates that this
      node has child nodes. To display the children, click this arrow sign. To collapse a node,
      click the reverse arrow sign (
) displayed at the left of the node name indicates that this
      node has child nodes. To display the children, click this arrow sign. To collapse a node,
      click the reverse arrow sign ( ). The expand/collapse
      actions can also be invoked with the NumPad+ and NumPad- keys, or from the
        Expand/Collapse submenu of the contextual menu or from Document > Grid Expand/Collapse.
). The expand/collapse
      actions can also be invoked with the NumPad+ and NumPad- keys, or from the
        Expand/Collapse submenu of the contextual menu or from Document > Grid Expand/Collapse.
Expand/Collapse Submenu
The following actions are available on the Expand/Collapse submenu:
     Expand
                All Expand
                All
- Expands the selection and all its children.
 Collapse
                All Collapse
                All
- Collapses the selection and all its children.
- Expand Children
- Expands all the children of the selection but not the selection.
- Collapse Children
- Collapses all the children of the selection but not the selection.
- Collapse Others
- Collapses all the siblings of the current selection but not the selection.
Keyboard Shortcuts
A variety of other keyboard shortcuts are also available in Grid
          mode:
      | Key | Action | 
|---|---|
| Tab | Moves the cursor to the next editable value in a table row. | 
| Shift + Tab | Moves the cursor to the previous editable value in a table row. | 
| Enter | Begins editing and lets you insert a new value. Also commits the changes after you finish editing. | 
| UpArrow/PageUp | Navigates toward the beginning of the document. | 
| DownArrow/PageDown | Navigates toward the end of the document. | 
| Shift | Used in conjunction with the navigation keys to create a continuous selection area. | 
| Ctrl (Command on macOS) key | Used in conjunction with the mouse cursor to create discontinuous selection areas. | 
The following key combinations can be used to scroll the grid:
- Ctrl + UpArrow (Command + UpArrow on macOS) - scrolls the grid upwards.
- Ctrl + DownArrow (Command + DownArrow on macOS) - scrolls the grid downwards.
- Ctrl + LeftArrow (Command + LeftArrow on macOS) scrolls the grid to the left.
- Ctrl + RightArrow (Command + RightArrow on macOS) scrolls the grid to the right.
