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Check the Size of an Exchange Mailbox and Find Exchange Online Limits

< 1 minute read

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Checking the size of a user’s Office 365 mailbox is easy, but the path in the Exchange admin center may not beĀ intuitive for you.

The video above provides these steps:

  1. From the Exchange admin center, clickĀ mailboxes underĀ recipients.
  2. Select the user whose mailbox size you want to check.
  3. Click the edit icon (looks like aĀ pencil).
  4. SelectĀ mailbox usage.

If you’d like to check Exchange Online storage limits, whether you’re an admin or an end user, you can view this TechNet page on Exchange Online. You’ll find mailbox storage limits across all Office 365 plans, from Business Essentials to Enterprise E4 and everything in between.

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