OST files can't be directly copied due to profile dependencies. For active accounts, recreate your Outlook profile to trigger fresh Exchange synchronization. For disconnected accounts, convert OST to PST first using reliable software. Then import the PST into Outlook on your new computer.
https://www.londonexplorer...
https://www.londonexplorer...

Effective Ways to Move OST File to New Computer - London Explorers - Latest News
Proven methods to transfer OST files to a new computer: via Exchange sync, manual migration, or OST to PST conversion. Prevent data loss with our guide.
https://www.londonexplorers.com/effective-ways-to-move-ost-file-to-new-computer
07:16 AM - Jul 17, 2025 (UTC)