What is PST to Office 365 migration and how does it work?

Arjunmehta

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Jun 27, 2025
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www.convertertools.org
PST to Office 365 migration is the process of transferring Outlook data files (.pst) into a cloud-based Microsoft Office 365 account. PST files typically store emails, contacts, calendars, and other mailbox items locally, and migration helps centralize this data for accessibility, backup, and collaboration.
The process works by selecting one or multiple PST files and uploading them into an Office 365 mailbox, archive, or public folder. Tools like Aryson Import PST to Office 365 Tool automate this by connecting securely to your Office 365 account, mapping folders, and transferring data while preserving structure and integrity. Advanced features may include batch migration, date filtering, duplicate removal, and impersonation for multiple accounts. This ensures a fast, accurate, and scalable transition without data loss or dependency on Outlook installation.