Sysinfo Office 365 Backup Tool allows to backup Office 365 emails in various file formats, preventing any potential data loss or encryption-related issues. Its user-friendly interface, coupled with the enhanced preview option, simplifies the process of navigating through your archives. With this tool, you can effortlessly back up your archive mailboxes, ensuring that no valuable data goes missing. Additionally, you can save or download mailbox items like emails, contacts, calendars, and tasks on your local system in various file formats like PDF, DOC, DOCX, TIFF, PNG, GIF, JPEG, JSON, PST, EMLX, MSG, CSV, HTML, and EML, or even transfer them to other email clients like Gmail, AOL, or IMAP. The tool is compatible with all Windows versions and offers a free trial, allowing you to archive up to 50 emails without any cost. For further in-depth insights and a step-by-step guide on using the tool, consider referring to the "Archive Emails in Office 365" blog.