Outlook Your Mailbox is Almost Full Error: Quick Solution

An email has become an indispensable tool for communication and organization. “Outlook Mailbox Is Full” is a very common error that is faced by most of the old Outlook users. However, this error occurs when you have reached the maximum size limit of the Outlook Mailbox. And, If you receive the “Outlook Mailbox Full” error message again and again, It can be frustrating. But worry not! In this blog post, we’ll discuss how to fix and prevent it from happening.

The error “Outlook Mailbox is Almost Full” or “Mailbox is Full” in Microsoft Outlook indicates that your email account’s mailbox has reached the storage limit. It means that your mailbox has accumulated a certain amount of data, including emails, attachments, and other items, and there is no more space to store new emails.

What happens when your Outlook Mailbox Gets Full?

But what exactly happens when your Outlook mailbox reaches its storage limit? We’ll explore the consequences of an overflowing mailbox and provide guidance to manage this common issue.

• Incoming Email Bounce-backs: When your Outlook mailbox runs out of space, the most immediate and noticeable effect is that new incoming emails will bounce back to the sender. Sometimes, it may lead to potential data loss.
• Inability to Send Emails: Outlook often requires a defined space to store sent items and drafts. If your mailbox is at capacity, you will bear complexities in composing and sending new messages.
• Error Messages and Performance Issues: Outlook may display error messages and experience performance issues when your mailbox is full. These errors can disrupt your email workflow and make it challenging to access other Outlook features.

Alright, we will look for the best ways to resolve the Microsoft Outlook your Mailbox is Almost Full after Deleting Everything error.

You May Also Read: Outlook Data File Has Reached Maximum Size

Top Five Ways to Fix Outlook Mailbox is Almost Full Error

Now that you understand the consequences of a full mailbox. Let’s explore how to address this issue effectively:

Method 1. Compress Outlook Mailbox Size

As our reliance on this robust platform grows, so does the size of our Outlook mailboxes. Over time, the accumulation of emails, attachments, and various data can significantly impact the efficiency and performance of Outlook, ultimately leading to a sluggish experience and limited storage space.

To tackle this situation, Cigati PST Compress Tool is the best professional tool designed to optimize your Outlook mailbox size seamlessly and effortlessly. PST Compressor emerges as a game-changer, allowing you to regain control of your Outlook mailbox without the need to compromise on crucial data.

Let’s delve into how to use it:

• Download and launch the PST Compress Tool on your computer.
• Click on Select Files then Choose the PST files you want to compress or shrink.
• Then, click Open and Preview the emails and their attachments.
• Select the Compression options that fit your requirements.
• Choose the Path to Save option to specify where you want to save the newly compressed file.
• At last, click Start Compression to begin the compression process.

Method 2. Delete Unnecessary Large Sized Emails

Outlook is a handy tool for managing emails, but after using a long time, mailboxes get full. When that happens, you need to free up some space for new emails. To free up space you can delete emails that do not need long, old, irrelevant emails (Promotional or Junk).

Follow the below steps to Remove Emails:

• Open the Microsoft Outlook on your system.
• Look for the Search Folder option.
• Click Search Folder, and a new window will pop up.
• In the new window, find the option that says Large Mail.
• Next, you’ll see a button that says Choose. Click on it to customize your search.
• In this customization window, you’ll see a box that says, Show mail greater than. Here, you can specify the size of the emails you want to find.
• After you’ve picked a size, click OK to continue.
• Go to the Larger Than folder.
• Inside this folder, you’ll find all the emails that are larger than the size you specified.
• Select the unimportant emails and delete them. You can do this by right-clicking on them and choosing Delete.

Repeat the same process of deleting unimportant emails in the “Larger than” folder until you’ve freed up enough space for new emails in Outlook Mailbox.

Method 3. Archive Important Emails

Archiving your emails in Outlook is a powerful and user-friendly solution to tackle the “Outlook Mailbox Is Full” error. Instead of deleting essential emails, you can archive them. Archiving moves your emails to a separate folder, That frees up some space in your primary mailbox without losing valuable Emails.

Method 4. Empty the Delete Folder/Trash Folder

Follow the below steps to learn how to empty the Delete Folder/Trash Folder.

• Open Outlook and find the Deleted Items or Trash folder on the left-hand side.
• Right-click on this folder.
• A menu will pop up. Choose the option that says Empty Folder.
• If it asks for confirmation, click Yes.

This action will permanently remove all the items in the “Deleted Items” folder. Afterward, you can check the size of your mailbox, and you should no longer see the Microsoft Mailbox Almost Full error.

If you want to automate this process to Empty the Delete Folder/Trash Folder from deleting something, follow these steps:

• Open Outlook on your PC.
• Click on the File tab at the top.
• Select Options.
• In the new window, click Advanced on the left-hand side.
• Scroll down until you find Outlook Start and Exit.
• Check the box that says Empty Deleted Items folders when exiting Outlook.
• To be extra sure before permanently deleting items, also check the box that says Prompt for confirmation before permanently deleting items.

Method 5. Use the Cleanup Tool to Clean Outlook Mailbox

If you’re continuously getting a “Mailbox is Almost Full Error” in Outlook, it means your mailbox has too much junk stuff. But don’t worry;

Here is a great way to fix it using the Mailbox Cleanup Tool.

• Navigate the File tab at the top of your Outlook window.
• Look for the Tools option >> click Mailbox Cleanup.
• Now, Select emails based on days or size.
• Find and choose the messages you want to delete.
• Inside Mailbox Cleanup, you can also opt for Auto Archive.
• Auto Archive moves old emails to an archive (.pst) automatically, and these emails do not clutter up your mailbox, but you can still access them whenever you want.
• Auto Archive can help you free up space in your mailbox and resolve that “Outlook Mailbox Full Error.”

Conclusion

In this blog, you have learned how to resolve the Outlook Mailbox is Almost Full issue, and What steps you should take to free up space in your Outlook mailbox, such as deleting unnecessary emails, archiving important Emails, and Emptying your deleted items folder. Additionally, you can adjust mailbox size limits if your email provider allows it, or consider upgrading your email plan to get more storage space. Regularly maintaining your mailbox and organizing your emails can help prevent from occurring this error in Outlook.

Related Post