Shared Mailbox [upd] Download Email For The Past ✦ [ INSTANT ]
Even with the slider set to "All," shared folders may not sync older mail if their specific caching is disabled.
Move the slider to the right toward to sync the entire mailbox history. Click Next , then Done , and restart Outlook.
Go to Account Settings > Change > More Settings > Advanced . shared mailbox download email for the past
Ensure "Download shared folders" is checked to enable caching.
To download emails from a shared mailbox for the past year or beyond, you must adjust Outlook’s or modify advanced cache settings. By default, Microsoft Outlook often limits local synchronization to the last 12 months to save disk space, which can hide older messages in shared folders. Adjusting the "Download Email for the Past" Slider Even with the slider set to "All," shared
Open and navigate to File > Account Settings > Account Settings . Select your primary account and click Change .
This is the most direct method to ensure your local Outlook client retrieves older emails from the server. Go to Account Settings > Change > More Settings > Advanced
If caching continues to cause issues, unchecking "Download shared folders" forces Outlook into Online Mode for the shared mailbox. This allows you to view all historical emails instantly without waiting for a local download, though it may be slightly slower to load each message. Exporting Older Emails to a PST File