Now Exchange 2010 to office 365 migration is very easy as EdbMails provides an excellent tool . You can migrate all the mailbox items flawlessly from Exchange server to office 365 using Exchange migration to office 365 tool.
The key features include:
1. Highly reliable and risk free
2. Very simple and easy user interface
3. No duplication of items i.e true incremental
4. Public and archive mailboxes migration
5. No limitation on size of mailboxes
6. Selective item migration
7. Exclude folder facility
8. Fully secured and safe migration
9. Zero down time.
Free trial allows you to freely migrate 30 items from each and every folder .
Visit : https://www.edbmails.com/pages/exchange-2010-to-office-365-migration.html