For those in search of the optimal tool for backing up their Office 365 mailbox, the Mailvita Office 365 Backup Tool is a reliable and dependable choice. It lets people safely export Office 365 emails, contacts, and calendars to different file types, such as PST, MBOX, EML, and MSG. The tool is great for both personal and corporate use because it lets you back up only certain folders, utilize date filters, and keep the folder structure intact. It's a terrific way to back up your Office 365 data locally because it has a simple UI and is very reliable.