7 Easy Ways to Reduce Outlook Mailbox Size and Improve Performance

If you are an active Microsoft Outlook user, especially in a corporate environment, your mailbox can "grow" pretty quickly and become unwieldy. Not only can an oversized Outlook mailbox result in slower performance of the email client, it can also lead to crashes, lost productivity, and even compliance issues as you carry out your job responsibilities. In this article, we'll explain how to reduce Outlook mailbox size to keep your Outlook running properly and your storage space on your system in check.

Does Reduce Outlook Mailbox Size Matter?

When your Outlook mailbox is excessively large, you may see:

• Slow search and email loading times.

• Crashing or freezing of Outlook.

• Frequent errors in syncing with Microsoft Exchange or Office 365.

• Corruption of PST or OST files.

• You will also increase your exposure to email data loss

Let's look at the best ways to reduce Outlook mailbox size and keep Outlook working as efficiently as possible.

• Empty your "Deleted Items" and "Junk Email" folders

This is relatively easy, but don't be fooled, these folders contain hundreds or thousands of emails and attachments. Therefore, deleting the contents of these folders can recover a lot of storage space.

• Archive Old Emails

Archiving allows you to move older emails from your primary mailbox into a separate file .PST archive file to reduce your mailbox size but you will still have access to those emails.

• Use the Mailbox Cleanup Tool

Outlook has a built-in mailbox cleanup tool and will help you find and delete any oversized or out-of-date items.

• Delete or Save Attachments Outside of Outlook

You can even sort your emails by item size, delete large attachments, and save any attachment that you want to keep on your hard drive or on some cloud storage.

• Unsubscribe from Emails

Try to reduce the number of recurring junk emails and newsletters that pile up over time.

• Enable Online Archive (Office 365 users)

Use In-Place Archiving to store any kind of older data in the cloud and free up your primary mailbox.

One of the main tools that can help reduce Outlook mailbox size is SysTools Outlook Duplicate Remover.

What is SysTools Outlook Duplicate Remover?

SysTools Outlook Duplicate Remover is software that helps to identify and reduce Outlook mailbox size, calendar events, contacts, emails, tasks, etc. This software scans throughout Outlook data and will remove Outlook duplicate items based on specific criteria such as date, venue, events, and so on, according to what you want to reduce.

Once the duplicates are identified, you will then be able to select which ones you want to delete. You will be able to delete them in bulk.

This software reduce Outlook mailbox size significantly by eliminating items that are often overlooked, but take up a lot of space. This program is especially helpful for users who have been dealing with importing PST files and syncing problems with Outlook, where duplicates are often created.

How Does It Help Reduce Outlook Mailbox Size?

Duplicates can be hard to detect, but don’t be fooled. Duplicates can represent potentially hundreds or thousands of unnecessary entries and can bulk up your mailbox. Here’s how SysTools offers a solution to this problem:

1. Intelligent Deduplication

• Detect duplicates in one folder or across folders.

• Clean up your emails, contacts, calendar events, tasks, and journals.

2. Large & Complex Mailbox Support

• Efficiently processes ANSI and UNICODE PST files.

• Keeps the folder hierarchy and folder structure.

3. Exclusive Outlook Support

• Works with any version of Outlook, including Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, and older versions!

4. Variety of Output Options

• You can either overwrite the original PST or create a new PST after duplicates are removed.

Key Features of SysTools Outlook Duplicate Remover:

• Drastically reduce Outlook mailbox size.

• Speed up/reduce latency when using Outlook.

• Prevent the user's PST file from corruption as a result of a large file size.

• Spare the user/admin from having to manually sift through their inbox.

• Great for environments with a high volume of emails.

Conclusion

When looking to reduce Outlook mailbox size without sacrificing vital information, SysTools Outlook Duplicate Remover is a fast, reliable, and easy way to do so. The software is especially beneficial in a workplace context where optimizing your mailbox storage is vital for productivity and compliance.

Remember to scan your Outlook contacts regularly to avoid duplicate problems. With SysTools, managing your Outlook data has never been easier!