If you are looking for a method to migrate from Exchange 2013 to 2019. You can take make this process manually and with the help of professional tools. The manual method is lengthy and also requires technical knowledge to perform the migration task. There are tools like Shoviv Exchange migration available in the online market to make this migration task effortless. This utility comes with multiple features.
It also allows users to migrate only the required data using the data filter option of the tool. If in the case when the user looks to resume the migration so, because of the incremental export option, it will only process the new items from the Exchange mailboxes.
Users can check the software's works by analyzing its demo version.