Manual Method (Network Upload):

1. Download and install Azure AzCopy Tool.
2. Use AzCopy to upload PST files to Microsoft’s Azure Storage.
3. Create a CSV mapping file(user email and PST path).
4. Use the Microsoft 365 Compliance Centerto create a PST Import Job.
5. Validate the job and start the*import process.
6. Monitor the status until the job completes.

Note: Requires technical knowledge and admin rights.

Professional Method (Shoviv PST to Office 365 Migration Tool):

1. Install and open the Shoviv PST to Office 365 Migration Tool.
2. Click “Add PST” to upload one or multiple PST files.
3. Choose Office 365 as the target, then enter login credentials.
4. Map PST files to Office 365 mailboxes.
5. Apply filters (date, folder, etc.) as needed.
6. Start the migration and monitor real-time progress.
7. Use features like incremental migration and scheduler.

Easy-to-use, reliable, and supports bulk migration with a free trial available.