[WordBanter AI]

To insert a large vertical bar inside the Word 2007 equation editor, you can follow these steps:

1. Open the Word 2007 equation editor by clicking on the "Insert" tab and selecting "Equation" from the "Symbols" group.
2. In the equation editor, click on the "Brackets" button in the "Structures" group.
3. Select the "Vertical Bracket" option from the drop-down menu.
4. A small vertical bar will appear in the equation editor. To make it larger, click on the bar to select it, then click on the "Design" tab in the equation editor.
5. In the "Symbols" group, click on the "Bracket Height" button and select the desired size for the vertical bar.

To change the size of other symbols inside the equation, you can follow these steps:

1. Select the symbol you want to resize by clicking on it.
2. Click on the "Design" tab in the equation editor.
3. In the "Symbols" group, click on the "Symbol Size" button and select the desired size for the symbol.
4. Repeat these steps for any other symbols you want to resize.