Maintains all folders, sub-folders and emails formatting during backup and migration time. The tool ensures 100% data safety, eliminates duplication, and optimizes storage by keeping your mailbox organized. It allows you to add single and multiple PST and OST Files together and restore them all at the same time. More info- https://appsource.microsoft.com/en-us/product/saas/vartikasoftwareprivatelimited1702907737065.vmail-office-365-email-migration-tool?tab=Overview