Not all of my mail migrated

The Carbo migration tool is only able to migrate messages that are visible in IMAP. To ensure your messages are visible in IMAP:

  • First, within Gmail, go to Settings > Labels. For your messages to migrate, the “Show in IMAP” option must be checked for the respective message’s label.
  • Second, within Gmail, go to Settings > Forwarding and POP/IMAP. Under the “Folder Size Limits” option, make sure that “Do not limit the number of messages in an IMAP folder (default)” is selected.

Once the messages you wish to migrate are visible in IMAP, begin a new migration to transfer the newly visible labels and messages. None of the messages that were previously transferred will be duplicated -- only newly visible messages and labels will be transferred in subsequent migrations.

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