check before: 2026-05-01
Product:
Exchange, Microsoft 365 Apps, OneDrive, Outlook, Windows
Platform:
Online, US Instances, Windows Desktop, World tenant
Status:
In development
Change type:
Admin impact, New feature, Updated message, User impact
Links:
Details:
Summary:
The new Outlook for Windows will support sending locally stored Word, Excel, and PowerPoint files as email attachments starting early September 2026 worldwide (October for GCC). This feature is on by default, requires no admin action, and aims to align with classic Outlook functionality.
Details:
Updated May 4, 2026: We have updated the timeline. Thank you for your patience.
[Introduction]
We're adding support for sending locally stored Word, Excel, and PowerPoint files as email attachments directly through the new Outlook for Windows. This update streamlines the sharing experience and aligns with ongoing efforts to bring feature parity between classic Outlook for Windows and the new Outlook.
This message is associated with Microsoft 365 Roadmap ID 557675.
[When this will happen]
General Availability (Worldwide): We will begin rolling out in early September 2026 (previously early May) and expect to complete by late September 2026 (previously late May).
General Availability (GCC): We will begin rolling out in early October 2026 (previously early June) and expect to complete by late October 2026 (previously late June).
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2026-03-17
updated:
2026-05-05
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
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Direct effects for Operations**
User Experience Impact
Users may experience confusion or frustration if they are not aware of the new feature allowing local file sharing, leading to potential delays in workflow and productivity.
- roles: End Users, Help Desk Staff
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557675#Roadmap
Operational Impact
Without preparation, help desk staff may receive an increased volume of support inquiries related to the new feature, impacting their ability to assist users with other issues.
- roles: Help Desk Staff, IT Support Team
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557675#Roadmap
Configutation Options**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-05-05 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
| 2026-05-05 | MC Summary | The new Outlook for Windows will support sending locally stored Word, Excel, and PowerPoint files as email attachments starting May 2026 (June for GCC). This feature is on by default, requires no admin action, and aligns with classic Outlook functionality, aiding users transitioning to the new Outlook. | The new Outlook for Windows will support sending locally stored Word, Excel, and PowerPoint files as email attachments starting early September 2026 worldwide (October for GCC). This feature is on by default, requires no admin action, and aims to align with classic Outlook functionality. |
| 2026-05-05 | MC Last Updated | 03/06/2026 00:35:38 | 2026-05-05T00:00:22Z |
| 2026-05-05 | MC Messages | [Introduction]
We're adding support for sending locally stored Word, Excel, and PowerPoint files as email attachments directly through the new Outlook for Windows. This update streamlines the sharing experience and aligns with ongoing efforts to bring feature parity between classic Outlook for Windows and the new Outlook. This message is associated with Microsoft 365 Roadmap ID 557675. [When this will happen] General Availability (Worldwide): We will begin rolling out in early May 2026 and expect to complete by late May 2026. General Availability (GCC): We will begin rolling out in early June 2026 and expect to complete by late June 2026. | Updated May 4, 2026: We have updated the timeline. Thank you for your patience.
[Introduction] We're adding support for sending locally stored Word, Excel, and PowerPoint files as email attachments directly through the new Outlook for Windows. This update streamlines the sharing experience and aligns with ongoing efforts to bring feature parity between classic Outlook for Windows and the new Outlook. This message is associated with Microsoft 365 Roadmap ID 557675. [When this will happen] General Availability (Worldwide): We will begin rolling out in early September 2026 (previously early May) and expect to complete by late September 2026 (previously late May). General Availability (GCC): We will begin rolling out in early October 2026 (previously early June) and expect to complete by late October 2026 (previously late June). |
| 2026-05-05 | MC Title | Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows | (Updated) Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows |
| 2026-05-05 | MC End Time | 08/01/2026 09:00:00 | 2026-11-30T08:00:00Z |
Last updated 1 month ago ago
