Description
Provide required information needed to triage your issue
Your Environment
- Platform [PC desktop, Mac, iOS, Office on the web]: Office on web
- Host [Excel, Word, PowerPoint, etc.]: Outlook
- Office version number: N/A
- Operating System: Windows 11 Enterprise 24H2 build: 26100.4061
- Browser (if using Office on the web): Microsoft Edge137.0.3296.52
Expected behavior
We currently have an Outlook add-in that is in adding base64 inline images. We expect that when inserting images, there is only 1 draft in the user's draft folder.
Current behavior
When inserting base64 inline images in Outlook Web, you will occasionally encounter multiple drafts being created (the number of drafts depends on the number of images being embedded). - This does not happen if the images are referenced/hotlinked.
I have created a GitHub repository that contains a recording demonstrating the issue which I will send an invite to the team.
Steps to reproduce
- Create an add-in which inserts a base64 image inline image.
- Compose around 20-30 emails with the add-in inserting images.
- After composing each email check the numbers of drafts in the draft folder to confirm if you have "multiple drafts" and encounter the issue or not.
Context
This issue is affecting a number of our customers.
Useful logs
- Console errorsScreenshotsTest file (if only happens on a particular file)
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Activity
arpitsangwanmsft commentedon Jun 25, 2025
Hey @johnny-outreach
Can you please resend the invitation to the repository for exextoc ? Apologies for the inconvenience.
Though I can repro the issue, trying to add multiple base64 images as part of signature, Still, it would be better to confirm we are referring to the same issue.
johnny-outreach commentedon Jun 25, 2025
Invite sent to both @arpitsangwanmsft and exextoc
arpitsangwanmsft commentedon Jun 25, 2025
Hey @johnny-outreach
The link to the repro video seems to be expired. Anyway, can you please help me with this question:
-> Is the Addin Trying to add base64 images when onNewMessageCompose event is trigerred?
johnny-outreach commentedon Jun 30, 2025
Sorry for the delay in coming back to you.
"-> Is the Addin Trying to add base64 images when onNewMessageCompose event is triggered?" - This is correct yes.
Happy to reupload the video recording if this would be helpful?
arpitsangwanmsft commentedon Jul 1, 2025
Hey @johnny-outreach,
Thank you for reaching out, we can repro the issue.
It has been put on our backlog. We unfortunately have no timelines to share at this point
Internal tracking id: Office: 5827449