Bypass 500 folder limit in Outlook
If using Office 365, then according to its Roadmap Outlook has improved synchronization of folders by removing the 500 folder limit for shared mailboxes.
Otherwise, here are some reported workarounds:
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The thread Method to deal with "too many folders" in Outlook has this user report:
Simply unchecking 'Cached Mode' and 'Download Shared Folders' then relaunching Outlook did not work. I needed to remove the Profile from the PC entirely [Control Panel-> Mail-> Profiles] and then recreate another Profile. When launching Outlook needed to add the account without selecting 'Cached Mode'.
This has resolved the issue without needing to edit the server registry or allow other Users to have more than 500 folders.
The Microsoft article Exchange Store Limits offers the register update of creating in the key
HKEY_LOCAL_MACHINE \SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
, a new value namedMaxObjsPerMapiSession
, and in it create a DWORD (32-bit) namedobjtFolderView
that is set to a value higher than 500.Another option is to grant access to individual folders within the mailbox instead of to the entire mailbox. You can grant access to folders with the PowerShell cmdlet of Add-MailboxFolderPermission.
(Future Outlook updates may disable some of the above workarounds.)
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Dominic Jonas
Updated on September 18, 2022Comments
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Dominic Jonas over 1 year
In our company we use
Outlook 2016
. Ourservice department
has got the problem that it comes to the 500 folder limit. We sort our emails by customer/project. So is there a way how to bypass/get around this problem? Some plugins or tweaks I could install?-
Steve Fan over 5 yearsAlthough there are workaround/configuration to extend the limit, it's not recommended to do so, as it may cause performance issue in Outlook. See: support.microsoft.com/en-sg/help/2768656/…
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Dominic Jonas over 5 yearsWe are currently implementing a new
ERP System
were we won't need outlook for this case anymore. So it's just a temporary solution 🤓
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