check before: 2024-08-31
Product:
Microsoft 365 Apps, Outlook
Platform:
US Instances, Windows Desktop, World tenant
Status:
Rolling out
Change type:
New feature, Updated message, User impact
Links:
Details:
Summary:
The new Outlook for Windows update allows users to open attachments directly in desktop apps by double-clicking. Rollout begins early September 2024, completing early October 2024. The feature streamlines opening attachments, and no admin action is required for the update. Microsoft 365 Roadmap ID 401123 is associated with this update.
Details:
Updated September 5, 2024: We have updated the rollout timeline below. Thank you for your patience.
In new Outlook for Windows, users will be able to open attachments of all types in their preferred desktop apps by double-clicking on them.
This message is associated with Microsoft 365 Roadmap ID 401123.
[When this will happen:]
General Availability (Worldwide): We will begin rolling out early September 2024 (previously late August) and expect to complete by early October 2024 (previously late September).
General Availability (GCC): We will begin rolling out early October (previously late September) 2024 and expect to complete by late October 2024 (previously mid-October).
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2024-08-01
updated:
2024-09-06
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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linked item details
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Pictures
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explanation for non-techies**
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Direct effects for Operations**
Attachment Handling
Users may experience confusion or frustration due to the change in how attachments are opened, potentially leading to increased support requests.
- roles: End Users, IT Support
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=401123
Security Confirmation Dialogs
The introduction of confirmation dialogs for opening certain file types may disrupt user workflow and lead to delays in accessing necessary documents.
- roles: End Users, IT Support
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=401123
Documentation Updates
Existing documentation may become outdated, leading to misinformation and user errors if not updated promptly to reflect the new attachment handling process.
- roles: Technical Writers, End Users
- references: https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=401123
Configutation Options**
Disable Opening Attachments in Desktop Apps
Administrators can restrict users from opening attachments directly in desktop apps by modifying Group Policy settings or using registry edits.
- technical instructions: 1. Open Group Policy Editor. 2. Navigate to User Configuration > Administrative Templates > Microsoft Outlook 2016 > Outlook Options > Security. 3. Enable 'Disable opening attachments in desktop applications'.
- references: https://docs.microsoft.com/en-us/outlook/security/attachments, https://docs.microsoft.com/en-us/previous-versions/office/cc179028(v=office.12)
Restrict File Types for Attachments
To enhance security, administrators can restrict certain file types from being opened directly in desktop apps.
- technical instructions: 1. Open Group Policy Editor. 2. Navigate to User Configuration > Administrative Templates > Microsoft Outlook 2016 > Outlook Options > Security. 3. Configure 'Blocked file types' to include file extensions you want to restrict.
- references: https://docs.microsoft.com/en-us/outlook/security/attachments, https://docs.microsoft.com/en-us/office/vba/outlook/concepts/getting-started/working-with-attachments
Manage Confirmation Dialog for Attachments
Users can manage the confirmation dialog that appears when opening attachments by adjusting settings in Outlook.
- technical instructions: 1. Open Outlook. 2. Go to File > Options > Trust Center > Trust Center Settings. 3. Under 'File Block Settings', uncheck 'Always ask before opening this type of file' for specific file types.
- references: https://support.microsoft.com/en-us/office/trust-center-in-office-365-1c1b5e3b-1c1b-4b5e-8c4e-5c4e1b5e3b1b, https://docs.microsoft.com/en-us/microsoft-365/compliance/file-blocking-in-office-365?view=o365-worldwide
Opportunities**
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Potentional Risks**
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IT Security**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2024-09-06 | MC MessageTagNames | New feature, User impact | Updated message, New feature, User impact |
| 2024-09-06 | MC Summary | The new Outlook for Windows allows users to open attachments in their preferred desktop apps by double-clicking, streamlining the workflow. This update, linked with Microsoft 365 Roadmap ID 401123, will roll out between late August and mid-October 2024. No admin action is required for this automatic update. | The new Outlook for Windows update allows users to open attachments directly in desktop apps by double-clicking. Rollout begins early September 2024, completing early October 2024. The feature streamlines opening attachments, and no admin action is required for the update. Microsoft 365 Roadmap ID 401123 is associated with this update. |
| 2024-09-06 | MC Last Updated | 08/01/2024 02:32:22 | 2024-09-06T01:56:35Z |
| 2024-09-06 | MC Messages | In new Outlook for Windows, users will be able to open attachments of all types in their preferred desktop apps by double-clicking on them.
This message is associated with Microsoft 365 Roadmap ID 401123. [When this will happen:] General Availability (Worldwide): We will begin rolling out late August 2024 and expect to complete by late September 2024. General Availability (GCC): We will begin rolling out late September 2024 and expect to complete by mid-October 2024. | Updated September 5, 2024: We have updated the rollout timeline below. Thank you for your patience.
In new Outlook for Windows, users will be able to open attachments of all types in their preferred desktop apps by double-clicking on them. This message is associated with Microsoft 365 Roadmap ID 401123. [When this will happen:] General Availability (Worldwide): We will begin rolling out early September 2024 (previously late August) and expect to complete by early October 2024 (previously late September). General Availability (GCC): We will begin rolling out early October (previously late September) 2024 and expect to complete by late October 2024 (previously mid-October). |
| 2024-09-06 | MC Title | Microsoft Outlook: Open attachments in desktop apps from the new Outlook for Windows | (Update) Microsoft Outlook: Open attachments in desktop apps from the new Outlook for Windows |
| 2024-09-06 | MC End Time | 11/25/2024 09:00:00 | 2024-12-09T09:00:00Z |
Last updated 1 month ago
