If the goal is to simply mark all 25,000+ emails as read to remove the unread notification badge, follow this procedure on a desktop browser: (not mobile).
Permanently delete them to regain storage, as they may stay in the trash for 30 days otherwise. 3. Alternative Approaches
Here is a complete write-up on accessing and clearing a massive backlog of emails: 1. The Strategy: Bulk "Mark as Read" (25k+ Emails) 25k mails access.txt
Use search queries like label:unread , older_than:1y , or category:promotions .
Instead of deleting, select all and archive to remove clutter from the inbox while keeping them searchable. If you tell me: Which email provider you are using (Gmail, Outlook, etc.)? Are you looking to delete them or just mark them as read ? I can give you the exact steps. If the goal is to simply mark all
Click the "Mark as read" icon (envelope icon) in the top toolbar. 2. The Strategy: Bulk Deletion (Clearing Storage)
LinkedIn users have reported using AI agents (like ChatGPT) to filter and clean 25k+ unread emails in under 20 minutes by creating specific sorting rules. Alternative Approaches Here is a complete write-up on
Follow the same "Select all conversations" step as above, but click the trash can icon.