Do Microsoft 365 Business Plans Include Exchange Online Archiving?
Question details
The user is inquiring whether Exchange Online Archiving features and archive mailboxes are included in Microsoft 365 Business plans.

- Product
- Microsoft 365
- Device & OS
- not provided
- Scenario
- Determining mailbox capacity and email archiving eligibility for a business environment.
- Observed behavior
- Seeking clarification on license entitlements, as availability and limits vary between Microsoft 365 Business Basic, Standard, and Premium.
Ensure you have Global Administrator or Billing Administrator permissions in your Microsoft 365 Admin Center to view current plan subscriptions and active licenses.
Verify Exchange Online Archiving in the Admin Center
Identify your current Microsoft 365 Business license and check the Microsoft service documentation to confirm your specific archiving entitlements.
Exchange Online Archiving availability depends heavily on your specific Microsoft 365 license. While many Business plans offer a standard 50 GB archive mailbox, features like auto-expanding archiving might require an upgrade or add-on.
Because Microsoft updates licensing frequently, the most accurate method is to check your tenant's active products against the latest official service descriptions.
Navigate to the Microsoft 365 Admin Center using your administrator credentials.
Go to 'Billing' and select 'Your products'. Note whether you are using Business Basic, Business Standard, or Business Premium.
Consult the official Microsoft Exchange Online service description online to match your exact Business plan with its current archiving capacity limits.
Open the Exchange admin center, go to 'Recipients' > 'Mailboxes', select a user, and confirm if the 'Archive' status is enabled for their account.

Accessing the Archive Mailbox in Outlook
Once Exchange Online Archiving is enabled by your administrator, users can access their separate archive mailbox directly within Outlook.
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Frequently Asked Questions
Does Microsoft 365 Business Standard include an archive mailbox?
Yes, Microsoft 365 Business Standard generally includes a 50 GB archive mailbox. However, it does not include auto-expanding archiving, which is typically reserved for enterprise plans or available via an add-on.
How does an admin enable the archive mailbox for a user?
An administrator must log into the Exchange admin center, navigate to Recipients > Mailboxes, select the specific user, and toggle the 'Mailbox archive' setting to Enabled.
Does the archive mailbox consume space on my local computer?
No. The Exchange Online archive mailbox is stored entirely in the cloud, meaning it does not take up space in your local Outlook data file (.ost) on your hard drive.
What happens if I reach the 50 GB limit in my Business plan archive?
Once the 50 GB archive limit is reached, you will not be able to archive more emails. You will need to either delete older messages, purchase an Exchange Online Archiving add-on, or upgrade to a plan that supports auto-expanding archives.




