Categorize and label existing Gmail emails automatically with GPT-4o mini

📨 Categorize and Label Existing Gmail Emails Automatically with GPT-4o mini

👥 Who's it for

This workflow is perfect for individuals or teams who want to sort and label existing emails in their Gmail inbox 🗃️ using AI. Ideal for cleaning up unlabeled emails in bulk — no coding required!

For sorting incoming emails messages in your gmail inbox, please use this free workflow: [Categorize and Label Incoming Gmail Emails Automatically with GPT-4o mini](https://n8n.io/workflows/5595-categorize-and-label-gmail-emails-automatically-with-gpt-4o-mini/)

🤖 What it does

It manually processes a selected number of existing Gmail emails, skips those that already have labels, sends the content to an AI Agent powered by GPT-4o mini 🧠, and applies a relevant Gmail label based on the email content. All labels must already exist in Gmail.

⚙️ How it works

▶️ Manual Trigger – The workflow starts manually when you click "Execute Workflow".