Steps to convert Outlook PST files as Office 365 :
For converting Outlook emails to select Office 365 saving output format.
After selecting O365 saving option, provide the login details your Office 365 account.
Next, select the checkbox appearing next to "Date Filters" option, to save data with the particular date range.
As you click on Convert button the software will start the migration process of Outlook PST mailboxes to Office 365. The export process will display every detail about the conversion such as the current file progress, item count, status, size etc.
Once the tool completed with the procedure, it will show an alert window showing successful completions of migration process. Click OK button to finsh the process.