If you manage multiple projects in Outlook, your inbox can quickly become a jumble of messages from different clients, teams, and tasks. Manually sorting emails into folders or using search filters is time-consuming and easy to miss. Copilot in Outlook can read the content of your messages and automatically group them by a project tag you define. This article shows you how to set up project tags and use Copilot to organize your inbox by project.
Key Takeaways: Group Emails with Copilot in Outlook
- Copilot pane > Ask Copilot to group by project tag: Use natural language prompts to sort emails into project categories instantly.
- Create project tags in Outlook categories: Assign color-coded categories to emails before grouping, or let Copilot suggest tags based on email content.
- Copilot > Save as view: Save the grouped view as a custom folder or search folder for quick access later.
How Copilot Groups Emails by Project Tag
Copilot in Outlook uses Microsoft Graph and your mailbox data to analyze email content. When you ask Copilot to group emails by project tag, it scans the subject line, body, and attachments for project names, client names, or keywords you specify. It then creates a temporary grouped view in your inbox, collapsing related messages under each project heading. No permanent changes are made to your mailbox unless you save the view.
To use this feature, you need a Copilot for Microsoft 365 license. The feature works in the new Outlook for Windows, Outlook on the web, and the Outlook mobile app. You do not need to install any plugins. Copilot can use existing Outlook categories as tags or create new ones based on your prompt.
Steps to Group Emails by Project Tag Using Copilot
- Open the Copilot pane in Outlook
In Outlook, click the Copilot icon in the top ribbon or press Alt+I to open the Copilot pane on the right side of the screen. - Type a grouping prompt
In the Copilot text box, type a prompt such as: “Group my inbox by project tag based on the project names in each email” or “Sort emails by the project tags I have assigned.” Press Enter. - Review the grouped results
Copilot displays your inbox divided into sections. Each section has a heading with the project name or tag. Emails that do not match any project appear under an “Other” section. - Refine the grouping if needed
If the grouping is not accurate, type a follow-up prompt like: “Merge the ‘Project Alpha’ and ‘Alpha Project’ groups” or “Remove emails from the ‘General’ group.” Copilot updates the view. - Save the grouped view
Click the Save icon at the top of the Copilot pane, or type “Save this view as a search folder called ‘Project Grouped Inbox’.” Copilot creates a search folder in your folder pane that retains the grouping.
Using Existing Outlook Categories as Project Tags
If you already use Outlook categories to tag emails by project, you can ask Copilot to group by those categories. Type a prompt like: “Group my inbox by the categories I have assigned.” Copilot reads the category metadata and groups emails accordingly. This method works best if you have consistently applied categories to messages.
Letting Copilot Suggest Project Tags
If you have not assigned any categories, Copilot can suggest project tags by scanning email content. Type: “Analyze my inbox and suggest project tags based on the most common topics.” Copilot returns a list of suggested tags. You can approve or edit them before grouping. Approved tags become temporary categories for the current session.
Common Mistakes and Limitations to Avoid
Copilot Does Not Recognize Project Names
If your project names are very generic, like “Meeting” or “Report,” Copilot may group unrelated emails together. Use specific project names in your emails, such as “Project Phoenix” or “Client ABC Q3 Review.” Alternatively, assign Outlook categories with the exact project names before grouping.
Grouped View Disappears After Closing Copilot
The grouped view created by Copilot is temporary. If you close the Copilot pane or navigate away from your inbox, the view resets to the default sort order. Always save the view as a search folder if you want to keep it. To do this, type “Save this view as a search folder” in the Copilot pane.
Copilot Groups Emails from All Folders, Not Just Inbox
By default, Copilot groups emails from your entire mailbox, including Sent Items and Deleted Items. To limit grouping to your inbox only, specify the folder in your prompt: “Group only my inbox emails by project tag.”
Copilot Grouping vs Manual Folder Organization: Key Differences
| Item | Copilot Grouping by Project Tag | Manual Folder Organization |
|---|---|---|
| Setup time | Seconds using a natural language prompt | Minutes to hours creating folders and rules |
| Flexibility | Change grouping instantly with a new prompt | Must move emails or edit rules manually |
| Persistence | Temporary unless saved as a search folder | Permanent until moved or deleted |
| Requires categories | No, Copilot can suggest tags from content | Yes, you must assign categories or use rules |
| Works with existing folders | Yes, can group emails already in folders | No, folders are the organization method |
Now you can use Copilot to group your emails by project tag without creating folders or rules. Start with a simple prompt like “Group by project tag” and refine the results. For recurring projects, save the grouped view as a search folder. To get the best results, use consistent project names in your email subject lines or assign Outlook categories before grouping.