If you have OST files, you can use MailsDaddy OST to Office 365 Migration Tool to import the OST file to Office 365. This tool is the best migration tool used by users. See these simple steps on how to migrate your OST files to O365.
· First, download the Mailsdaddy OST to Office 365 migration tool.
· Launch the software and click on add button. You can also search OST files by clicking the search button.
· Here, you can see the whole data of your OST file. This tool generates the complete preview of your ost file data.
· Click on the export button and choose the appropriate options.
· Then enter your office 365 credentials and click on sing in button.
· Here the migration process will start. You can pause and resume by clicking the button.
· You will get a confirmation message when it is completed.
For more information-https://www.mailsdaddy.com/ost-to-office-365-migration-tool/
If you want to convert OST to Office 365 format, you can try a manual method using a tool OST to PST Converter. This utility will help you to export data from OST files and save them to Office 365 format. It can also convert OST files into different file formats and email clients. It maintains the original folder structure during the conversion of the OST file into Office 365 format. This software is compatible with all the latest and oldest versions of the Microsoft Windows operating system.