Fix: Cannot Create Subfolders with Publishing Editor Permissions in Outlook
Question details
The user is unable to create subfolders in another user's Inbox despite having Publishing Editor permissions assigned.

- Product
- Microsoft Outlook
- Device & OS
- not provided
- Scenario
- Attempting to manage another user's mailbox and organize emails by creating new nested subfolders.
- Observed behavior
- The option to create subfolders remains unavailable across multiple Outlook clients, even though the account correctly displays Publishing Editor access.
Verify that your Outlook client is connected to the Exchange server and fully synced before attempting to modify delegate folder permissions.
Remove and Reapply Publishing Editor Permissions
Resetting the assigned permissions forces Exchange to refresh access rights, which often resolves hidden synchronization errors.
Sometimes delegate permissions do not propagate correctly from the server to the client apps. Having the mailbox owner completely remove and then re-add your access is the most effective way to clear backend glitches.
Have the mailbox owner right-click their Inbox or root mailbox folder in Outlook and select 'Properties' from the context menu.
Navigate to the 'Permissions' tab, select the delegate's name from the list, click 'Remove', and then click 'Apply'.
Click 'Add' to find and select the delegate from the address book again. Once added, choose 'Publishing Editor' from the Permission Level dropdown menu and click 'OK' to save.
Wait up to a few hours for the Exchange server to synchronize the new permission settings across all devices and Outlook clients.

Verify Permission Propagation to Specific Subfolders
Ensure that the Publishing Editor access granted at the root level correctly trickles down to the specific folder where you are trying to work.
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Frequently Asked Questions
What does the Publishing Editor permission in Outlook allow?
The Publishing Editor permission level allows a delegate to read, create, modify, and delete all items and files in a shared folder, as well as create necessary subfolders.
Why aren't my Outlook delegate permissions syncing immediately?
Exchange server permissions can sometimes experience caching delays. Using Outlook on the Web (OWA) often reflects changes faster than the desktop client, but full propagation can still take several hours.
Can I create subfolders if I only have Author permissions?
No. The Author permission level allows you to read and create items, and modify or delete only the items you created yourself. It does not provide the rights to create or manage subfolders.
Who should I contact if reapplying permissions doesn't work?
If removing and reapplying permissions fails to restore your ability to create subfolders, contact your organization's Microsoft 365 IT administrator. They may need to grant additional delegate or administrative permissions through the Exchange backend.




