An advanced and effective solution to migrate your Office 365 data to another Office 365 mailbox is to opt for the Office 365 to Office 365 Migration Tool. This software is fully loaded with multiple advanced features that provide a smooth working experience to its users. Additionally, it also offers an interactive user-friendly interface that is compatible with both technical and non-technical users. This software will help you to export all the file data including Emails, Contacts, Calendars, Tasks, Categories, & Documents. It also provides an option to migrate Office 365 Mailbox, In-place Archive, & Public Folder from one account to another. Moreover, this software also has many other advanced features like removing duplicate emails, providing the mail filter and task filter options, customizing the folder name, etc. If you want to analyze the performance of this utility then first download the free version of this tool on your computer. After the successful installation, run the software on your system as an administrator. After that, click on the backup option to start the migration process. Then, sign in to your Office 365 account by entering your Username and password. After that, select the mailbox users. For mailbox user IDs greater than 100, import the CSV file from this wizard. Afterward, choose the backup option from Mailbox, In-place Archive, & Public Folder and hit the next button. After that, select the desired folder from the tree structure and click on the next button. Then choose Office 365 as a resultant from the drop-down menu of the Save/Backup/Migrate As. After that, Enter the credentials of this resultant Office 365 Account. At last, click on the convert button to start the migration process. After performing these steps, you can migrate your Office 365 data to another Office 365 mailbox. However, the free version only allows you to migrate only the first 50 emails per folder.