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macOS – How To Fix Mail Folders Not Automatically Be Sorted In Alphabetical Order

macOS Mail folders are often not sorted in alphabetical order by default, especially when new mailbox folders are added to an existing mailbox. Although the mailbox folders are in A to Z order at the mail web access, e.g. iCloud.com, they are not on your macOS Mail app. If you are unable to order alphabetically all mailbox folders on your Mac, you just need to delete the corresponding mailbox library. Not a single SSH shell command is necessary.

macOS Mail folders alphabetically sorting_01_folder not alphabetically sorted

Here is how to alphabetize Mac mail folders automatically again:

macOS Mail folders alphabetically sorting_02_trash Mail library

  1. Close the macOS Mail app, if it is currently open.
  2. Launch Finder app. While pressing the option key on your keyboard, click onto the ‘Go‘ menu and then select ‘Library‘.
  3. Scroll down till you find the ‘Mail‘ folder and open the folder.
  4. Within the Mail folder, you will find one or more subfolders named like V1 / V2 / V3 …., in my case it is named ‘V6’.
  5. Trash all ‘Vx’-folders. Note: Do not finally delete them until you are sure you will not need them anymore.
  6. Launch macOS Mail app. All email accounts will be synced again. This can take a while. After the sync is complete, all of your mailbox folders are shown again in alphabetical order.

macOS Mail folders alphabetically sorting_03_folder alphabetically sorted

Note:

Fix macOS mailbox folders (iCloud, Gmail, Outlook.com,…) not be sorted alphabetically by deleting the Mail library and automatically resyncing all mailbox accounts.

Stay tuned ! 😉

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