Outlook for Mac does not have a direct equivalent registry key, but you can control sync behavior via:
The first time this is enabled, Outlook will undergo a massive download process that can saturate network bandwidth. Alternative Solutions
Some configurations may reside under Policies\Microsoft\Office\16.0\Outlook\Cached Mode . Performance Considerations disablesyncsliderforsharedmailbox
Or specifically querying mailbox settings:
# Connect to Exchange Online Connect-ExchangeOnline Outlook for Mac does not have a direct
The registry value is a specialized configuration used in Microsoft Outlook (2016 and later) to control how much email is stored locally for shared mailboxes. By default, Outlook limits the synchronization of shared mailboxes to a specific timeframe—typically the last 12 months—to manage local storage and improve performance. Purpose and Functionality
Review: Implementing DisableSyncSliderForSharedMailbox for Optimized Resource Management By default, Outlook limits the synchronization of shared
This script assumes you have the Exchange Online PowerShell module installed and are connected to Exchange Online.
