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Extracting the Subject Line Details - when a new email arrives to a group (office365 group)

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Posted on by KB-19021406-0

I need to use the trigger “When a new email arrives to a group” (Office 365 Groups), and I need to extract the information from the email subject line. How can I achieve this?

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Kalathiya 2,456 Super User 2026 Season 1 on at

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Hello @KB-19021406-0,

You can extract the subject line directly from the trigger When a new email arrives to a group.

Add a Compose action and select Subject from the dynamic content. Then use expressions like split() to extract the part of the subject you need, depending on its format.

If this response resolves your issue, please mark it as the Verified Answer so it can help other community members as well.

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David_MA 14,956 Super User 2026 Season 1 on at

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I cannot guarantee this will work since I cannot get it to trigger, but try this:

I believe the subject is stored in the Conversation Topic value from the Get a group conversation action.

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CU30121719-0 on at

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Hi @Kalathiya,

your suggestion is useless, as the trigger "When a new email arrives to a group" behaves differently than the trigger "When a new mail arrives (V3)".

The correct answer was given by David_MA.

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KB-19021406-0 2 on at

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Hi David

Your advice worked perfectly - thank you

David_MA 13,465 Super User 2026 Season 1 on 23 Jan 2026 at 17:19:01

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I cannot guarantee this will work since I cannot get it to trigger, but try this:

I believe the subject is stored in the Conversation Topic value from the Get a group conversation action.

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