How to Increase Office 365 Mailbox Size Effortlessly?

Summary: Email communication is a fundamental principle of modern business operations, and Microsoft Office 365 provides a robust platform for email hosting. However, managing your mailbox size ensures seamless communication and efficient data storage. In this article, we’ll outline how to increase Office 365 mailbox size to meet your needs.

Why Increasing Office 365 Mailbox Size Matters

Office 365 comes with a default mailbox size of 50GB. While this capacity is sufficient for most users, some businesses and individuals may need more over time due to accumulating emails, attachments, and other data. Reaching the size limit can lead to several issues, such as:

• Email delivery failures
• Inability to send or receive messages
• Reduced system performance

Fortunately, Microsoft 365 provides various options to increase Office 365 mailbox size and overcome these challenges.

Benefits of Increasing Your Office 365 Mailbox Size

Expanding your mailbox size offers numerous advantages, including:

• It avoids the risk of incoming messages being rejected due to mailbox limits.
• Store more emails, attachments, and other data without frequent cleanup.
• Reduce time spent decluttering your mailbox and focus on critical tasks by increasing mailbox size
• Retain older emails and attachments for reference without affecting performance.

Six Effective Methods to Expand Office 365 Mailbox Size

Here are practical solutions to increase your Office 365 mailbox size, including step-by-step instructions for each method.

1. Verify Your Subscription Plan

Your current Microsoft 365 plan determines the available mailbox size. Some enterprise-level plans, such as Microsoft 365 E3 or E5, allow mailbox expansion up to 100GB. To check or upgrade your plan:

1. Open the device and visit the Microsoft 365 Admin Center.
2. Navigate to Billing > Purchase Services.
3. After that, select a suitable enterprise plan and click Details.
4. Now, specify the required licenses and complete the purchase.

2. Increase Mailbox Size Using PowerShell

PowerShell enables administrators to adjust mailbox sizes manually. Follow these steps:

1. Open PowerShell as an administrator.
2. Connect to Exchange Online using the commands below:

$UserCredential = Get-Credential        

Connect-ExchangeOnline -UserPrincipalName <your email> -ShowProgress $true -UserCredential $UserCredential        

3. Adjust mailbox size with this command:

Set-Mailbox <user ID> -ProhibitSendQuota 100GB -ProhibitSendReceiveQuota 100GB -IssueWarningQuota 98GB        

4. Save changes and disconnect:

Disconnect-ExchangeOnline -Confirm:$false        

Note: This method requires administrator access and may not apply to certain Microsoft 365 plans.

3. Enable In-Place Archive

Activating In-Place Archive provides an additional 50GB of storage. Here’s how:

1. Open the Computer and Go to the Exchange Admin Center.
2. After that, Select Recipients > Mailboxes.
3. Now select user, click Others, and select Manage Mailbox Archive.
4. Then, Enable the archive, name the folder, and save changes.

4. Use Archive Mailboxes

Archive Mailboxes offer additional storage for older emails and data, ensuring your primary mailbox stays organized. While it doesn’t expand the primary mailbox to 100GB, it helps store historical emails effectively and increases the Office 365 Mailbox Size

5. Leverage Auto-Expanding Archives

Some plans include Auto-Expanding Archives, which automatically allocate additional storage as needed. This feature requires no manual intervention and ensures uninterrupted email communication.

6. Clean Up Your Mailbox

Before exploring advanced options, optimize your existing storage by:

• Deleting unnecessary emails and attachments.
• Emptying Deleted Items and Junk Email folders.
• Organizing your mailbox to free up space.

Additional Solutions for Increasing Office 365 Mailbox Size

You can also use specialized tools like DRS Microsoft 365 Backup & Restore Software. These tools help:

• Back up mailbox data locally in formats like PST, PDF, MSG, CSV, and more, reducing online storage usage.
• Safely delete unnecessary emails after backing up important information.
• It also allows users to migrate Office 365 data into another Office 365 account, Google Workspace, and IMAP.?

Steps to Free Up Space Mailbox Using DRS Office 365 Backup & Restore Software:

1. Install the software and run the Microsoft 365 Email Backup Tool.
2. Provide Office 365 credentials and validate permissions.
3. Select the Mailbox category and apply filters for specific data ranges.
4. Select desired file format and email clients for backup.
5. Choose a local save location and confirm settings.
6. Start the backup process to free up storage

Conclusion

Managing your Office 365 mailbox effectively is crucial for maintaining productivity and ensuring smooth communication. Using the abovementioned methods, you can increase Office 365 mailbox size to accommodate growing data needs. Whether through upgrading your subscription plan, utilizing PowerShell, or utilizing the DRS Office 365 backup Tool, these solutions provide a comprehensive approach to solving mailbox size limitations.