check before: 2025-09-01
Product:
Copilot, Microsoft 365 Apps, Outlook, Teams
Platform:
Android, Developer, iOS, Linux, Mac, Teams And Surface Devices, Web, Windows Desktop, World tenant
Status:
Launched
Change type:
Links:
Details:
Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments).
Change Category:
XXXXXXX ... free basic plan only
Scope:
XXXXXXX ... free basic plan only
Release Phase:
General Availability
Created:
2025-08-01
updated:
2025-11-17
Docu to Check
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Email Attachment Summarization
Users may experience confusion or misinterpretation of summarized content if the summarization feature is not properly trained or tested, leading to potential miscommunication in collaborative environments.
- roles: End Users, Team Leaders
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/03/16/introducing-microsoft-365-copilot/, https://techcommunity.microsoft.com/t5/microsoft-365-copilot-blog/what-is-microsoft-365-copilot/ba-p/3741230
Integration with Modern Attachments
If the integration with various file types (Word, Excel, etc.) is not seamless, users may face difficulties accessing or utilizing attachments, resulting in decreased productivity and frustration.
- roles: End Users, IT Support
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/03/16/introducing-microsoft-365-copilot/, https://techcommunity.microsoft.com/t5/microsoft-365-copilot-blog/what-is-microsoft-365-copilot/ba-p/3741230
Configutation Options**
XXXXXXX ... paid membership only
explanation for non-techies**
XXXXXXX ... free basic plan only
** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2025-11-17 | RM Status | Rolling out | Launched |
| 2025-09-30 | RM Status | In development | Rolling out |
| 2025-09-11 | RM Description | Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments). Additionally, other item attachments, such as email threads, will also be supported. | Users will be able to reason over additional attachment content, along with the email body, in Copilot Chat. Support will be extended to Word, Excel, PowerPoint, Pdf, Text, Json and Xml files mentioned in the email as links (Modern Attachments). |
| 2025-09-11 | RM Title | Microsoft Copilot (Microsoft 365): [Copilot Chat] Email attachment summarization (Modern Attachments, Item Attachments) | Microsoft Copilot (Microsoft 365): [Copilot Chat] Email attachment summarization (Modern Attachments) |
Last updated 2 months ago ago
