To migrate PST files to Office 365, you can use the MacSonik PST Converter Tool, which is one of the best tool and allows you to migrate PST to Office 365 directly and quickly. It is a multipurpose tool for backing up your Office 365 data as well as restoring your PST and OST files into Office 365. This tool is comfortable whether you may want to migrate a single file or 100 files, and provides the hierarchy structure folders for the users. You can easily take your conversion from PST file to office 365 without loss of your data. So, I will guide you through how to migrate the PST to Office 365 by listing steps how to migrate Outlook PST files to Office 365.

Steps to Migrate PST Files in Office 365

1. You can start by opening your MacSonik PST Converter Tool, then select "Restore".

2. After that you want to select the PST radio button "Import PST in Office 365".

3. Click "Select Path" button, then select the PST File you want to Import.

4. Once file has been added select the 'next' button.

5. The Office 365 Login wizard will appear, at this time you will want to Authenticate the Office 365 Login.

6. Select your choice of destination folder: Mailbox, Public Folder, Online Archive.

7. Click the "Convert" button throughout the process, all your email from the PST file will be imported to your Office 365.

Know More: https://www.macsonik.com/blog/export-pst-from-office-365/