Below explained how to Add, Remove, Reorder or Rename Trade Grid pages.
Note: Only Custom pages can be added.
There are two ways to add Custom page.
Click on the Page menu of the Trade Grid window.

Select Add.. from submenu.

Add Page dialog will be shown.

Enter desired Custom page name.

Click Create button.
Right-click anywhere on the tabs strip to show context menu.

Select Page from context menu.

Select Add... from submenu.

Add Page dialog will be shown.

Enter desired Custom page name.

Note: Only Custom pages can be removed.
There are two ways to remove Custom page.
Right-click on the tab of a Custom page you want to remove.

Select Page from context menu.

Select Remove Page in submenu.

Click Yes in the Remove Page confirmation dialog.

Left-click on the tab of a Custom page you want to remove. Tab page will be shown.

Select Page from Trade Grid menu.

Select Remove Page in submenu.

Click Yes in the Remove Page confirmation dialog.

To reorder pages:

Note: Only Custom pages can be renamed.
There are two ways to rename Custom page.
Right-click on the tab of a Custom page you want to rename.

Select Page from context menu.

Select Edit... in submenu.

Edit Page dialog will be shown with the current Custom page name in the Page Name text box.

Enter desired page name in the Page Name text box.

Click Create button.
Left-click on the tab of a Custom page you want to remove. Tab page will be shown.

Select Page from Trade Grid menu.

Select Edit... in submenu.

Edit Page dialog will be shown with the current Custom page name in the Page Name text box.

Enter desired page name in the Page Name text box.

Click Create button.