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Product
Outlook
Saved release status
In development
Original publication
Feature overview
Outlook will show warning when you try to delete a folder that's used in a rule. This helps prevent accidental rule breakage and ensures your email flow remains uninterrupted. You'll be prompted to review or update affected rules before the folder is removed. #newoutlookforwindows
Archived release information
September CY2025
Source: Saved Microsoft roadmap archive Feature ID: 496144
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