Undo

 

Ctrl+Z
Alt+Backspace

Edit Menu

From the Edit menu, choose Undo or click the Undo button on the toolbar to reverse the last action performed.

For example, if you deleted a section of data by accident, simply choose the Undo command from the Edit menu to put the data back.

From the View menu, choose Undo/Redo History to undo operations using the Undo/Redo History window.

When working on large selections, Sound Forge requires more time to create an undo buffer. To save time and file space, you can turn off creation of undo buffers. Choose Disable Undo/Redo from the Edit menu or from within a processing dialog.