As a long-time Outlook user and productivity expert, I've streamlined countless inboxes. That confirmation dialog before permanently deleting emails? It's a safeguard against accidents, but if you're confident in bulk deletions, disabling it saves precious time.
Here's how to turn it off in Outlook desktop:

Caution: Emails deleted this way are gone forever—no Recoverable Items folder rescue. Use judiciously, perhaps after backing up important messages.
Do you permanently delete emails or archive them? Share your workflow in the comments!