!!top!! — Disablesyncsliderforsharedmailbox
Note: The DisableSyncSliderForSharedMailbox setting is primarily a . Mac users should rely on the built-in "Download all messages" option.
| Problem | Solution | |---------|----------| | Setting doesn’t work | Ensure Outlook is closed when editing registry. Confirm path matches your Office version. | | Outlook still only shows 12 months | Right-click the folder > > Clear Offline Items > restart Outlook to force a full resync. | | Mac version not respecting command | Use Outlook’s account settings to set "Download all messages" instead. | | OST file too large | Revert setting to 0 , then run Mailbox Cleanup tools. | disablesyncsliderforsharedmailbox
Some configurations may reside under Policies\Microsoft\Office\16.0\Outlook\Cached Mode . Performance Considerations Clear Offline Items >

