check before: 2025-09-01
Product:
Microsoft 365 Apps, Microsoft 365 for the web, Outlook, Windows
Platform:
Online, US Instances, Web, World tenant
Status:
Change type:
Retirement, Updated message
Links:
Details:
Summary:
Starting September 2025, Outlook for Web and new Outlook for Windows will stop displaying inline SVG images, showing blank spaces instead. This affects under 0.1% of images, improves security, and requires no user action. SVG attachments remain supported. Organizations should update documentation and inform users.
Details:
Updated September 30, 2025: We have updated the timeline. Thank you for your patience.
Introduction
We're retiring support for inline SVG images in Outlook for Web and the new Outlook for Windows starting early September 2025. This change enhances security and aligns with current email client behavior, which already restricts inline SVG rendering.
When this will happen
When this will happen
Worldwide rollout: Begins early September 2025, expected to complete by mid-September 2025.
GCC, GCC-H, DoD, Gallatin rollout: Begins mid-September 2025, expected to complete by mid-October 2025 (previously late September).
Change Category:
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Scope:
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Release Phase:
Created:
2025-08-07
updated:
2025-09-30
Task Type
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Docu to Check
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MS How does it affect me
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MS Urgency
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summary for non-techies**
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Direct effects for Operations**
Display Issues in Emails
Users will see blank spaces instead of inline SVG images in emails, potentially leading to confusion or misinterpretation of content.
- roles: End Users, Marketing Team
- references: https://techcommunity.microsoft.com/t5/outlook-blog/retirement-of-inline-svg-images-in-microsoft-outlook/ba-p/3701230
User Experience Degradation
The removal of inline SVG images may degrade the visual appeal of emails, affecting user engagement and communication effectiveness.
- roles: End Users, Design Team
- references: https://techcommunity.microsoft.com/t5/outlook-blog/retirement-of-inline-svg-images-in-microsoft-outlook/ba-p/3701230
Documentation Updates Required
Organizations will need to update internal documentation to inform users about the change, which may lead to temporary confusion if not communicated effectively.
- roles: IT Administrators, Communications Team
- references: https://techcommunity.microsoft.com/t5/outlook-blog/retirement-of-inline-svg-images-in-microsoft-outlook/ba-p/3701230
Potential Security Benefits
While the change improves security by mitigating risks like XSS attacks, the lack of preparation may lead to users being unaware of the reasons behind the change.
- roles: Security Team, End Users
- references: https://techcommunity.microsoft.com/t5/outlook-blog/retirement-of-inline-svg-images-in-microsoft-outlook/ba-p/3701230
Impact on Marketing Campaigns
Marketing teams relying on inline SVGs for branding may face challenges in maintaining visual consistency in email campaigns.
- roles: Marketing Team, Sales Team
- references: https://techcommunity.microsoft.com/t5/outlook-blog/retirement-of-inline-svg-images-in-microsoft-outlook/ba-p/3701230
Configutation Options**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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change history
| Date | Property | old | new |
| 2025-09-30 | MC MessageTagNames | Retirement | Updated message, Retirement |
| 2025-09-30 | MC Summary | Microsoft Outlook will retire support for inline SVG images in Outlook for Web and new Outlook for Windows starting September 2025, showing blank spaces instead. This affects under 0.1% of images, enhances security, and requires no user action, though updating documentation and informing users is recommended. | Starting September 2025, Outlook for Web and new Outlook for Windows will stop displaying inline SVG images, showing blank spaces instead. This affects under 0.1% of images, improves security, and requires no user action. SVG attachments remain supported. Organizations should update documentation and inform users. |
| 2025-09-30 | MC Last Updated | 08/07/2025 01:29:13 | 2025-09-30T18:33:53Z |
| 2025-09-30 | MC Messages | Introduction
We're retiring support for inline SVG images in Outlook for Web and the new Outlook for Windows starting early September 2025. This change enhances security and aligns with current email client behavior, which already restricts inline SVG rendering. When this will happen Worldwide rollout: Begins early September 2025, expected to complete by mid-September 2025. GCC, GCC-H, DoD rollout: Begins mid-September 2025, expected to complete by late September 2025. | Updated September 30, 2025: We have updated the timeline. Thank you for your patience.
Introduction We're retiring support for inline SVG images in Outlook for Web and the new Outlook for Windows starting early September 2025. This change enhances security and aligns with current email client behavior, which already restricts inline SVG rendering. When this will happen When this will happen Worldwide rollout: Begins early September 2025, expected to complete by mid-September 2025. GCC, GCC-H, DoD, Gallatin rollout: Begins mid-September 2025, expected to complete by mid-October 2025 (previously late September). |
| 2025-09-30 | MC Title | Retirement of inline SVG images in Microsoft Outlook | (Updated) Retirement of inline SVG images in Microsoft Outlook |
| 2025-09-30 | MC End Time | 10/27/2025 08:00:00 | 2025-12-01T08:00:00Z |
Last updated 5 days ago ago
