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Import Bulk PST to Office 365 Step by Step | Stellar Migrator for Outlook
Learn how to import bulk PST files to Office 365 (Exchange Online) step by step using Stellar Migrator for Outlook. This tutorial walks you through automating the migration of multiple PST mailboxes to Exchange Online — no manual uploads, no scripting.
Stellar Migrator for Outlook automates bulk PST-to-Office 365 migration, letting you map source PSTs to target Office 365 mailboxes (Primary, Archive, or Public Folder), apply filters, and run the whole job with minimal effort — without worrying about duplicate emails. It's a reliable way to move legacy mailboxes into Office 365.
Using a CSV file, you can migrate unlimited PST files to Office 365 users from the same system or across networked systems. The software also supports incremental migration, so you can resume or re-run a job and only new items get imported — no duplicates, no reprocessing what's already migrated.
Learn more: https://www.stellarinfo.com/import-pst-to-office-365.php
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Why pay for a separate product when uploading PSTs into EXO is a native functionality? See Use network upload to import PST files | Microsoft Learn for more information.
