Cannot delete imported Outlook folders in Apple Mail

I'm moving from Outlook to Apple Mail as my primary email account, and I went ahead and imported my Outlook mail over into iCloud. Apple Mail now shows a folder (and subfolders) named after my old Outlook account (see screenshot). I then moved all of the email from this subfolder into my Apple account (i.e. I moved Archive from under this Outlook folder into the Apple Mail Archive, Sent into Apple Mail Sent, etc.

I'd like to now delete this Outlook folder and subfolders, but I don't see a means to do so. Is there something I'm missing?

Posted on Nov 2, 2026 7:56 AM

1 reply

PreCognition

Level 6 (12,236 points)

Nov 4, 2026 11:50 PM in response to NortheastGuy

If the imported Outlook folder is now under your iCloud account, you should be able to delete it as a regular mailbox.

On your iPhone, open Mail, go back to the Mailboxes screen, and tap Edit. Select the imported Outlook folder and look for Delete Mailbox.

Before deleting it, I'd double-check that all your messages, including those in its subfolders, have been moved successfully. Deleting a mailbox also deletes any messages and subfolders still inside it.

If Delete Mailbox isn't available, try signing in at https://www.icloud.com/mail and deleting the folder there.

Does the Outlook folder appear under iCloud in your Mailboxes list, or is it still listed as a separate email account? That would help narrow it down.