Microsoft Outlook: Contact deduplication
Outlook is updating to automatically hide exact or proper subset duplicate contacts, streamlining contact lists. The update will roll out from late August to September 2024 for Outlook on the web and new Outlook for Windows. Other Outlook clients will show all contacts, and synchronization will occur across all platforms. Hidden duplicates can be accessed and exported from classic Outlook clients. No admin action is required, but users should be informed.


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