Can I stop Conversation View grouping e-mails sent to different domains?
I'm having an issue when I send e-mails with the same subject line to multiple clients. When different clients reply (with the same subject) they are always grouped together. Can I force Outlook to only group e-mails received from the same TLD (or another smarter way)?
August 14th, 2015 9:24am

Hi,

The Outlook conversation group feature uses a Conversation ID field to determine if the message belongs in a conversation with other messages. When the same email is replied by different senders, the Conversation IDs are the same. That's why these emails were grouped together.

A workaround I can think of is as follows, but it may be a little cumbersome:

1. Create a Search Folder in Outlook and set the criteria to: Mail from and to specific people.

2. Click Choose button and type the domain name in the 'From or Send to ->' box. Such as: outlook.com.

3. Create subfolders for each domain you want to show in a conversation.

4. Now, show these Search Folders in Conversation view, and disable the "Show messages from other folders" option under Conversation Settings.

5. You will need to set this for each search folders created.

Regards,

Steve Fan

Forum Support

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August 16th, 2015 10:13pm

Hi Steve,

Thanks for your reply. I'd like to delve a little further into the Conversation ID. The e-mails originally sent are created and sent separately (never C.C.'d). They just have a similar body due to the signature used. Is it possible the conversation ID is somehow accidently embedded within the signature?

August 19th, 2015 10:51am

Thank you for the update. The conversation is a grouping of all messages that are replies & forwards of the original message. It won't group emails with similar body or subject unless you are using Exchange 2007/2003. With Exchange 2007/2003, it groups messages together with same subject. See the screenshot for Conversation ID properties in MFCMAPI tool:

Regards,

Steve Fan

Forum Support

Free Windows Admin Tool Kit Click here and download it now
August 20th, 2015 10:11pm

Hi Steve,

The account is Exchange on Office 365. I've tried sending two different e-mails to two different domains with the same subject and the replies are still getting grouped. Could you provide me with instruction on MFCMAPI to get a screen similar to your screenshot? After this I'm hoping I'll have something to give Office 365 Support to go on.

Thanks again.

August 24th, 2015 10:12am

Thank you for the update. I think there is a little misunderstanding on the issue. From your description, you clicked New Email button, typed a domain user in the To field and then sent out the first email. After that, you clicked New Email button, typed a different domain user in the To field, and sent out the second email. Do you mean in this case, the two different emails grouped together in one conversation?

Since you are not using Exchange 2007/2003, in theory, the two separate emails won't be grouped together. You can follow the steps below to check if the two emails have the same Conversation ID:

1. Download and launch MFCMAPI tool.

2. Click Session > Logon. Select your profile and click OK.

3. Double-click your mailbox.

4. Expand Root - Mailbox (or Root Container) > IPM_SUBTREE (or Top Information Store) > Inbox

5. Right click on the folders where the two emails are stored and select Open Content Table.

6. Sort the entries by Received column so that you can easily navigate to the emails.

7. Find the emails and check if they have the same value in the Conversation ID column.

Please let me know the result.

Regards,

Steve Fan

Forum Support

Free Windows Admin Tool Kit Click here and download it now
August 26th, 2015 8:20am

Hi Steve,

I think this example shows it well. The bottom 2 e-mails are from different people, at different companies. Both have the same Conversation ID and are grouped in Outlook.

August 28th, 2015 7:44am

Thank you for the update. Really a strange issue. I was not able to reproduce it in my environment.

Have you tried testing this issue without inserting the signature?

Are the two sent emails grouped together? Do they have the same Conversation ID?

Please also try testing this issue within OWA and check if it continues.

Please keep me updated.

Thanks,

Steve Fan

Forum Support

Free Windows Admin Tool Kit Click here and download it now
August 30th, 2015 11:23pm

Hello,

Any update on thie issue? Please do not hesitate to post back.

Regards,

Steve Fan

Forum Support

September 3rd, 2015 10:01pm

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