We've been working hard behind the scenes optimizing our migration engine so that it's even faster!
Large mailboxes with many thousands of messages can take many hours, sometimes days, to migrate. This time has been chopped dramatically, and in some cases, can be twice as fast.
Note that despite these optimizations, some factors such as slow speed at your mail provider can cause migrations to take a long time. We do the best we can with what we're given
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