FreeKB - Resolve "Cannot expand the folder" in Outlook
Resolve "Cannot expand the folder" in Outlook

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This error appears when attempting to expand a folder in Outlook.


This error appears when sharing a mailbox but Folder visible is not ticked.

  1. Right-click on the mailbox and select Properties.
  2. Select the Permissions tab.
  3. Highlight the person the mailbox is being shared with and tick Folder visible.

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