MailJerry
7.3#3 in email migration softwareFrom $129.90 a yearFree planAndroidiOSWebmacOS
VisitMailJerry suits people moving email between providers, including those using IMAP services. The free plan may suit small transfers that fit its mailbox size and concurrency limits.
This service suits organizations moving users between Microsoft 365 tenants. It is relevant when the project includes mailboxes, OneDrive, calendars, contacts, or a phased migration plan.