Only in the project file.
Try to copy from an autosave.
If you find one of the AutoSave PRPROJ files with that Title, you can Export that to a Template (PRTL file), or reuse, if needed.
Also remember that when you drag a Title to the Timeline, you are dragging an Instance of that Title. If you make a change to one Instance, it will affect the original Title, and all other Instances. If you want something similar, then use the Title Based On icon, to create a new Title, based on the existing one.
If you want something similar, then use the Title Based On icon, to create a new Title, based on the existing one.
You can also duplicate (Ctl+Shift+:) a title in the projet bin. Then you can modify it to your heart's content without affecting the original.