Select Group

Select the group you want to create a tab grouping.
Popup Menu

Right click the grouping and select the Create Tabbed Group.
Tabbed Group

You will notice the group has changed to a tab group.
Profit Tiger Systems Help Documentation
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Select the group you want to create a tab grouping.
Right click the grouping and select the Create Tabbed Group.
You will notice the group has changed to a tab group.