5 Best Outlook Attachment Extractor Software in 2026 – Best Reviews

Summary: In this blog post, we have compared the top 5 Outlook attachment extractor tools available in 2026. You will get to know about its features, pros & cons, & compatibility. This page is very helpful in deciding which software is best to choose.

When you have multiple PST files with you, it becomes hard to manage huge mailboxes. Most of the space is taken by the files such as image, PDF, invoice, presentation (PPT), videos, and many other documents.

Why Users Need PST Attachment Extractor Tool?

Let us first try to understand the reason behind the use of Outlook Attachment Extractor software.

• To reduce the size of overly large PST files
• Boost the performance of Outlook
• In order to store attachments separately
• Create space in the mailbox for upcoming emails
• To organize your files efficiently
• Take backup of your emails conveniently
• Extract attachments of your choice
• You can manage your mailbox in an professional manner

Extracting attachments automatically becomes very useful especially in a business environment. Here, you need to process thousands of emails every day.

Top 5 Outlook Attachment Extractor Software

We will list best five solutions which can easily extract PST attachments. Read one by one to know the rawness in every software which suits you the best for your work.

1. SysTools Outlook Attachment Extractor – (4.9/5 Overall Rating)

If you are in search of a reliable tool that can help you extract Outlook attachments professionally, then we recommend SysTools Outlook Attachment Extractor software to you. It can be used to extract attachments from multiple PST, OST, and BAK files. It provides a feature-rich platform where users can filter and extract files in batches.

Key Features:

• Extract bulk attachments from PST, OST & BAK Files
• You can load multiple Outlook files at once
• You can extract attachments from specific files too
• There is advanced filter options like Date, Size, Sender, Folder, & Extension of file
• After the process, it maintains the original Outlook folder structure
• An option to delete attachments from emails to reduce the PST size
• Compatible with ANSI & Unicode PST Files
• Supports all Outlook & Windows versions

Pros:

• Software provides user-friendly interface
• Handles huge PST files
• Have useful filtering options
• It offers a fast & secure extraction process
• Your email structure is maintained
• It is made for business use
• Very minimal setup installation steps

Cons:

• You can extract only a few attachments in demo version

Good For: It is very useful for administrators, businesses, accountants, and any individuals dealing with big Outlook mailboxes.

2. ReliefJet Essentials (4.5/5 Overall Rating)

The software ReliefJet Essentials features over 100 Outlook add-ons, among which the tool for attachment extraction is also included. It is built-in with Outlook, and helps you to set rules in order to extract attachments from particular folders, accounts, or certain dates.

Best Features:

• Provides batch attachment extraction
• There is Outlook automation
• It also supports Command line
• Based on Rule-processing
• Outlook folder structure is kept intact on exporting
• Supports Exchange, Microsoft 365, and PST

Advantages:

• It is good for Outlook administrators
• Has several Outlook management tools to use
• Tool is capable of processing multiple folders at once

Disadvantages:

• More complicated to learn
• The interface is technical
• It’s becomes hard for users to operate
• No advanced filter options

Best For: It can be used by IT professionals, Outlook administrators, and businesses who require automated attachment extraction.

3. Kernel Outlook Attachment Extractor (4.3/5 Software Rating)

Kernel Outlook Attachment Extractor is meant to assist users in extracting attachments from PST files without opening individual email separately. The software comes with a simple process and helps users to extract attachments in bulk from an Outlook archive.

Key Features:

• Extract attachments from ANSI and Unicode PST files
• Can do batch processing for many Outlook folders
• You can preview mailbox folders once
• Save attachments to selected local or network path
• There is a choice of organizing exported attachments in folders or by senders
• Supports large PST files
• It retains the email messages structure

Advantages:

• Easy-to-use interface
• Compatible with Outlook PST files
• Fits the needs of medium to large mailboxes
• Not necessary to save each attachment individually

Disadvantages:

• Doesn’t support OST files
• There is not as many filtering options as other competitors has
• It has very few customization options for corporate needs

Ideal For: Those who are running small businesses and those working with PST archives.

4. Aryson Outlook Attachment Extractor – (4.1/5 Software Rating)

The Aryson Outlook Attachment Extractor software will assist you in extracting email attachments from your Outlook PST files in batch mode. It provides an easy-to-use interface along with a selective extraction feature. Thus, it will be useful for those who need to separate attachments from the mailbox without changing the original emails.

Key Features:

• Extract attachments from multiple Outlook files
• Tool can process files related to ANSI and Unicode
• It provides date & type based filtering option
• You can save it to your preferred location
• Maintains folder structure as it was before
• Supports file created from New Outlook
• Compatible with various Outlook and Windows OS versions

Advantages:

• User-friendly interface
• Extract your large PST files
• Proper folder structure of mailboxes
• You can also extract only selective attachments

Disadvantages:

• Does not work with OST files
• Have limited options of advanced filtering compared to other solutions
• Some features are unavailable during a trial period

Suitable for: Individuals and small businesses.

5. OutlookAttachView Software (3.8/5 Software Rating)

OutlookAttachView is a small application for Windows that allows users to extract attachments from the current Outlook configuration. It works well for an individual user, but not for mailbox administration. It may become handy when there is a need to save attachments from Outlook.

Key Features:

• You can extract attachments from your currently logged-in Outlook profile
• Select all or specific attachments to save
• Filter attachments based on filename, extension, or email subject
• Export attachment list for future reference
• Software has user-centric interface
• Rapid processing for smaller mailboxes

Advantages:

• It is totally free
• Very lightweight software
• Easy installation and usage
• Works well for personal use & for one-time users

Disadvantages:

• Cannot process PST or OST files directly
• Few filtering and organizing features
• Does not maintain Outlook folder structure

Best For: Personal users that sometimes need to download their attachments from their Outlook profile.

Best 5 Outlook Attachment Extractor – Feature Comparison

This is a section which is basically an overview of all the above described software.

Feature	SysTools	ReliefJet	Kernel	Aryson	OutlookAttachView
PST Support	Yes	Yes	Yes	Yes	Limited
OST File Support	Yes	Limited	No	Limited	No
Provides Bulk Feature	Yes	Yes	Yes	Yes	Limited
Remove Attachments	Yes	Yes	No	No	No
Advanced Filters	Yes	Yes	Moderate	Moderate	Basic
Retains Folder Structure	Yes	Yes	Limited	Limited	No
Large PST Support	Yes	Yes	Yes	Moderate	No
Best For	All Users	IT Admins	Business	General Users	Personal Use

Final Words

It is very important to select the right attachment extractor for Outlook based on the mailbox size. There are some free extractors too, but they do not have filtering options and cannot handle large PST files, and are not suited for professional use.

When comparing among the tools mentioned above, SysTools Outlook Attachment Extractor has the best feature list. It supports three major formats like PST, OST, and BAK files from which you can extract and offers advanced filter options. It is a dependable software which everyone can use and customize according to your needs.