Managing email storage and staying within your mailbox quota is crucial for efficient communication and organization. In this comprehensive guide, we will explore how to check your email quota in Outlook, understand the storage limits, and provide solutions to effectively manage your mailbox. As an expert in the field, I will walk you through the process and answer commonly asked questions to help you make the most of your Outlook email experience.

Understanding Email Quota and Storage Limits

Email quota refers to the maximum amount of storage space allocated to your mailbox. When you exceed this limit, you may experience issues such as inability to send or receive emails, delayed delivery, or even complete suspension of email services. It is essential to monitor your email quota to ensure smooth functioning of your Outlook account.

Outlook provides different storage limits based on the type of account: (Hotmail/ Free accounts have a storage limit of 15 GB, while Office 365 subscriptions offer larger storage capacities depending on the plan.

Exchange Online (Office 365): The storage capacity varies depending on the subscription plan, ranging from 50 GB to unlimited storage for certain enterprise plans.

Checking Your Email Quota in Outlook

To check your email quota in Outlook, follow these steps:

Open Outlook and sign in to your account.

Click on the "File" tab in the top-left corner.

Select "Account Settings" and then choose "Account Settings" again from the dropdown menu.

In the Account Settings window, select your email account and click on the "Change" button.

A new window will open. Here, you can view the mailbox size and the amount of storage used.If you are approaching your quota limit, consider managing your mailbox by deleting unnecessary emails, archiving old messages, or using other storage optimization techniques.

By regularly monitoring your email quota and taking necessary actions to manage your mailbox, you can avoid storage-related issues and ensure a seamless email experience.

Frequently Asked Questions

Q: What happens if I exceed my email quota?

A: If you exceed your email quota, you may experience issues such as inability to send or receive emails, delayed delivery, or suspension of email services. It is important to regularly monitor your quota and manage your mailbox accordingly.

Q: How can I optimize my mailbox storage in Outlook?

A: To optimize your mailbox storage, you can delete unnecessary emails, empty the deleted items folder, archive old messages, and use folders and subfolders to organize your emails.

Q: Can I increase my email quota in Outlook?

A: The email quota in Outlook is typically determined by your email service provider or subscription plan. You may be able to increase your quota by upgrading to a higher-tier subscription plan or contacting your service provider for additional storage options.


Checking your email quota in Outlook is essential to ensure smooth communication and avoid storage-related issues. By understanding the storage limits, regularly monitoring your quota, and taking proactive measures to manage your mailbox, you can optimize your Outlook email experience and maintain efficient email storage. Follow the steps outlined in this comprehensive guide to stay within your email quota and enjoy a seamless email communication experience.