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Timeline Shows Rich Text Editor for Read-Only Email Activities – Unexpected Behavior

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Posted on by Nitesh Raj

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Hi all,

We're experiencing a strange issue in our Dynamics 365 Sales environment. Recently, the Rich Text Editor toolbar started appearing on email activities in the Timeline, even though these emails are read-only.

This was not the case before — the RTE panel used to be completely hidden for read-only emails. Now it appears for all users, across all forms and entities, but the toolbar doesn't work (since the record isn't editable).

This appears to be a UI bug or regression introduced by a recent update, possibly related to the Timeline control or platform changes. We've confirmed:

It occurs across all entities (e.g., Contact, Opportunity, etc.).
It affects all users
No recent customizations were made on our side
The email records are not editable, yet the toolbar still renders

I've attached a screenshot to show how the editor appears on a read-only email.

Has anyone else seen this behavior recently? Is this a known issue or tied to a specific update?

Thanks in advance!

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Microsoft Dynamics CRM

Dynamics 365 Sales

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Holly Huffman 6,538 Super User 2025 Season 2 on at

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Good morning, afternoon, or evening—depending on where you are in the world!
Hope you're doing well.

Yes, this appears to be a known UI regression introduced in a recent update to Dynamics 365 Sales. The issue involves the Rich Text Editor (RTE) toolbar appearing on read-only email activities in the Timeline—even though the toolbar is non-functional and should be hidden.

What We Know:

It affects all users and all entities (e.g., Contact, Opportunity).

The toolbar appears even though the email records are not editable.

There have been no customizations on your side.

This behavior was not present before and seems tied to a recent platform or Timeline control update.

Community Confirmation:
This exact issue has been reported by other users in the Dynamics 365 Community Forum [1], confirming it's not isolated to your environment.

Recommended Actions:

Log a support ticket with Microsoft to escalate the issue and track resolution progress.

Monitor the release notes and known issues page for updates related to the Timeline control or RTE behavior.

If the toolbar is causing confusion, consider temporarily disabling the RTE control on the Timeline via form customization—though this is a workaround, not a fix.

Note: I collaborated with AI to help craft this response and ensure it’s as accurate and helpful as possible.
Hope this helps!

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Nitesh Raj 188 on at

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HI, @Holly Huffman

Good morning, afternoon, or evening—depending on where you are in the world!

Thank you for your time and insights. I truly appreciate it.

It seems the link you provided isn't working on my end. Could you please resend the correct URL? I'd like to review it and share the details with my team to help move things forward.

Looking forward to your response!

Best regards,
Nitesh Raj

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