Using a Third-Party Tool: For bulk conversions or to streamline the process, third-party tools like VSPL MSG to Office 365 Converter are highly effective. Follow these steps:

• Download and install the tool.
• Log in with your Office 365 account credentials.
• Select the MSG files or folder containing MSG files to be converted.
• Choose your Office 365 mailbox as the destination.
• Apply filters like date range or specific folder selection (optional).
• Start the migration process by clicking Start. The tool will automatically upload and convert all selected MSG files into the chosen Outlook 365 mailbox.

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