To recover a deleted presentation:
Log in to https://teams.ingage.io/
In the left side bar, click the arrow > to the left of Presentations to expand the menu
Click Recently Deleted
Click on the three dot menu for the presentation you'd like to recover
To recover a Presentation, click on the three-dot menu for that Presentation
Click Restore Presentation.
After you've restored a Presentation, the recovered Presentation will appear in all of the Teams that it was previously assigned before being Deleted.