08/24/2026
Is your Microsoft 365 mailbox getting full? In this video, we explain **Microsoft 365 Online Archive**—what it is, how it works, and how it can help you manage years of email without constantly deleting messages.
We cover:
✅ What the Microsoft 365 Online Archive is
✅ The difference between your primary mailbox and Online Archive
✅ Where archived email appears in Outlook
✅ How Microsoft 365 can automatically move older email into the archive
✅ How to search and access archived messages
✅ Why Online Archive is different from PST files and the normal Archive folder
✅ How businesses can use Online Archive to better manage mailbox storage
Microsoft 365 Online Archive can be especially useful for organizations that need to retain large amounts of historical email while keeping users' primary mailboxes manageable.
HERO Managed Services helps businesses manage Microsoft 365, cybersecurity, compliance, cloud services, and IT infrastructure.
https://www.youtube.com/watch?v=3aXLxdy8Boc
Is your Microsoft 365 mailbox getting full? In this video, we expla...