Table of Contents
Summary
- Users can send locally stored Word, Excel, and PowerPoint files as email attachments in the new Outlook for Windows.
- This feature eliminates the need to use classic Outlook for Windows for sending local file attachments.
- The feature is enabled by default, with no changes to existing admin controls or policies.
- Organizations are encouraged to inform help desk staff and update internal documentation to support this change.
- The update is categorized as a new feature with user and admin impacts.
Admin Impact: Low
User Impact: Medium
Release Start: 01 May 2026
Release End: 30 Jun 2026
Services: Exchange
Category: Stay informed
Tags: New Feature, User Adoption, Admin Action
History
3/5/2026 Item Added to Message Center
Microsoft Message
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.
How this affects your organization
Who is affected
- Users working with locally stored Word, Excel, or PowerPoint files (not stored in OneDrive).
- Organizations adopting or transitioning to the new Outlook for Windows.
What will happen
- Users can now share local Office files as email attachments directly through the new Outlook for Windows.
- Users will no longer need to rely on the classic Outlook for Windows to send local file attachments.
- This feature is ON by default.
- There is no change to existing admin controls or policies, and all existing Outlook/Exchange policies continue to apply.
What you can do to prepare
No admin action is required.
To prepare your organization, you may:
- Inform help desk staff about this update to reduce support inquiries.
- Update your internal documentation if it references classic Outlook workflows.
- Encourage users to adopt the new Outlook for Windows if your organization is transitioning away from classic Outlook.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.