One major concern while exporting Office 365 data is maintaining the original folder structure and ensuring data integrity. Manual exports often result in missing emails, broken hierarchy, or corrupted PST files. To avoid these issues, many professionals recommend SysInfo Office 365 Backup Software to backup Office 365 mailbox to PST securely. The tool preserves the original mailbox structure, including inbox, sent items, calendars, contacts, and attachments, exactly as they appear in Office 365. This ensures that users can access their data seamlessly in Outlook without confusion. Additionally, the software uses advanced algorithms to prevent data loss and duplication during the backup process. This reliability makes it suitable for business-critical data protection and long-term archiving. If maintaining accuracy is a priority, this tool is worth considering.