How to View Microsoft 365 Archive Mailbox Size

Knowing the size of your Microsoft 365 archive mailbox is essential for managing your email storage effectively. Here's how to check it using both Outlook and the web interface:

1. Using Outlook:

• Open Outlook: Launch the Outlook application on your computer.
• Navigate to Archive: In the navigation pane, find and expand the "Archive" folder.
• Right-click on the Archive folder: In the context menu, select "Properties."
• View Folder Size: The "Folder Size" property will display the total size of your archive mailbox.

2. Using the Microsoft 365 Web Interface:

• Access Outlook on the web: Log in to your Microsoft 365 account and access Outlook on the web.
• Open the Archive folder: Navigate to the "Archive" folder in your mailbox.
• View Folder Size: In the top right corner of the screen, you'll usually find a "Folder Size" indicator. Hover over it to see the exact size of your archive.

Important Notes:

• Archive Mailbox Usage: Regularly checking your archive size helps you understand your storage usage and plan for future needs.
• Storage Limits: Microsoft 365 has storage limits for mailboxes. Exceeding these limits may result in service disruptions.
• Archiving Strategies: Consider archiving older emails regularly to free up space in your primary mailbox and improve performance.

By following these steps, you can easily monitor your Microsoft 365 archive mailbox size and proactively manage your email storage effectively.