How to search for emails by category on new Outlook app

Dear Yongj_363,

Good day! Thank you for posting to Microsoft Community. We are happy to assist you.

Based on your description, you are asking about searching for emails by category on the new Outlook app. Here's how:

1. Click on the search bar at the top of the Outlook app.
2. Type in the name of the category you want to search for.
3. Choose the category option when it comes out.
4. The search results will show all emails that have been categorized with the category you searched for.

I did an sample search, please refer to the information below:

1. I categorized my emails in my inbox as custom 123, default Blue, Green and Purple.

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2. When I search emails with one specific category, I just search the name of this category.

For123: I typed 123, the option would come out for searching 123 category (If the option does not show up, add a space).

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For Blue category: I typed Blue and I got the option for Blue category.

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I hope the information above can be useful for you. If there is any update or I misunderstand you, please feel free to let me know. I will continue to assist you. Your understanding and co-operation are highly appreciated.

Thanks for your precious time. Have a nice day.

Sincerely,

Sherry | Microsoft Community Moderator