How to check the mail box size office 365 online

To check the mailbox size in Office 365 online, you can follow these steps:

Method 1: Using the Office 365 Admin Center

  1. Sign in to the Office 365 Admin Center with your admin credentials.
  2. Click on the "Users" tab and select the user whose mailbox you want to check.
  3. Click on the "Mailbox" tab.
  4. Scroll down to the "Storage" section.
  5. Look for the "Total size" field, which displays the total size of the mailbox in megabytes (MB).

Method 2: Using the Office 365 Outlook Web App

  1. Sign in to the Office 365 Outlook Web App with your user credentials.
  2. Click on the gear icon in the top right corner and select "View all Outlook settings".
  3. Click on "Mail" and then "Account".
  4. Scroll down to the "Storage" section.
  5. Look for the "Total size" field, which displays the total size of the mailbox in megabytes (MB).

Method 3: Using PowerShell

  1. Open PowerShell and connect to your Office 365 tenant using the following command: Connect-AzureAD
  2. Run the following command to get the mailbox size: Get-Mailbox -Identity <username> | Select-Object -ExpandProperty TotalItemSize
  3. Replace <username> with the actual username of the mailbox you want to check.

Note: The mailbox size is displayed in megabytes (MB). If the mailbox size exceeds the recommended limit, you may need to take steps to manage the mailbox size, such as deleting unnecessary emails or increasing the mailbox size limit.