Last Updated: November 8, 2023
When Outlook is configured to save attachments by default to a network path, the following dialog can be seen for a while before the ‘Save As’ dialog finally loads:
This is known to be happening in M365 Apps starting from the following builds:
Current Channel: Version 2304 (Build 16327.20214)
Monthly Enterprise Channel: Version 2304 (Build 16327.20324)
Windows implemented a fix that will be first available to Insiders starting with build 25991.1000.rs_prerelease.231102-1335.
The Outlook, Office, and Windows Teams are currently investigating the issue. We will update this topic as soon as there are any updates.
If you urgently need to workaround the issue or need a way to confirm the issue applies, use the following steps:
Rollback the M365 Apps for a previous build: How to revert to an earlier version of Office.
Set the WebClient service Startup type to Disabled through Windows Services:
Open services.msc from Run (Win+R).
Find the WebClient service and open its properties.
Stop the service and change the Startup type to Disabled.
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