Back up your email Manual Methods:

Select File > Open & Export > Import/Export.
Select Export to a file, and then select Next.
Select Outlook Data File (.pst), and select Next.
Select the mail folder you want to back up and select Next.
Choose a location and name for your backup file, and then select Finish.

If you need assistance to Backup Email to Office 365, visit O365CloudExperts.

There are several reasons why it's necessary to backup Office 365 mailbox to PST, including reducing mailbox size or protecting your data from potential hacking attempts. While there are manual methods available, such as E-discovery, they may not be the most reliable or user-friendly. Manual methods can have drawbacks, making a professional third-party tool like the Office 365 Backup Tool an ideal solution for easy and efficient Office 365 email backup. With its advanced features and simple interface, this tool ensures a perfect and straightforward backup experience.