Use this toToggle all folds in the document
Before invokingA document must be open to use this option.
Menu pathEdit > Code Folding > Flip All Folds
Command nameMFoldingFlipAll
Accelerator keyP (from the main menu: Alt+E > O > P)
Options on parent menu (Code Folding+)Expand/Collapse Fold, Expand Fold, Collapse Fold, Flip All Folds, Expand All Folds, Collapse All Folds, Flip Selected Folds, Expand Selected Folds, Collapse Selected Folds