Uninstall from the Windows Start menu
Execute the following steps to uninstall Regain OST to Office 365 Migrator software from the Windows Start menu:
- Click Start → All Programs → Regain OST to Office 365 Migrator → Uninstall. A warning message appears before uninstalling the software.
- Click Yes to continue with the uninstalling process for Regain OST to Office 365 Migrator software followed by “Regain OST to Office 365 Migrator was successfully removed from your computer” message.

- Click OK to complete the Regain OST to Office 365 Migrator software uninstallation process.
Regain OST to Office 365 Migrator software is successfully uninstalled from your computer system