If you want to back up your Office 365 mailbox make a secure copy of your emails, contacts, calendars, and attachments to avoid losing them due to unintentional deletion or technical issues. Depending just on online storage is not always sufficient so having a backup saved locally provides extra safety. Softaken Office 365 Backup is a simple solution that allows you to download your full Office 365 mailbox into formats such as PST, MBOX, EML, and more while maintaining data integrity. It protects the folder structure and attachments ensuring that your vital data is always available offline when you need it.