How to Extract Email Addresses from OST File Efficiently

Shaks George ~ Modified: December 2nd, 2025 ~ How to ~ 5 Minutes Reading

There are multiple times that we are required to extract email addresses from OST files or from our emails. But, due to various email clients and operating systems, the process of extracting the email data seems difficult for users.

As we know that extracting only a few email IDs from emails is not a big task to perform. But the big hassle comes when we need to extract bulk email IDs from the emails.

And, the main difficulty begins with the emails. Here, we are going to discuss the manual and professional methods to extract email IDs from OST files in bulk.

OST files are the Outlook Offline Storage Table files. And if you know that OST files can not be opened in Outlook. So there is one more new problem that arises when it comes to extracting the OST email list in bulk.

Also Know!
How to Save and Extract OST File Attachments in Bulk?

Key Reasons to Extract Emails from Outlook OST File

Reason 1: To extract Email data from Outlook OST Files, users need to open the OST files into Outlook by converting them into the Outlook PST file format or by using any OST File Viewer to open and view the OST files and copy-paste the email data from the OST Email.

Reason 2: After converting the OST to PST, users need to open each and every email and then copy-paste the email address from the email. The big problem arises when we need to extract bulk email IDs from the OST files. And not only from OST emails also by extracting email IDs from the OST email attachments.

Reasons 3: Here comes the automatic tool solution that can easily extract email IDs from OST files without using the Outlook application. This tool can help you to easily open and view the OST files without converting OST file formats. And can easily extract OST email data in bulk within a limited time.

Best Professional Solution to Extract Email Addresses from OST Files

Corbett Email Address Extractor Software is a reliable solution that allows you to extract emails from OST files without any data loss. The software has a user-friendly interface for all types of users, whether professional or non-professional. If you face any trouble and need personalization in software, you can also contact the customer support team for your queries.

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It can extract addresses from email headers, body, and attachments, supporting selective folders like Inbox or Sent Items. It can scan complete mailbox data, preview addresses, remove duplicates, and extract only the fields you need. The tool saves all collected email addresses in different file formats, like a TXT file.

Step-by-Step Guide to Save Emails to OST File

1. Start downloading this OST Email Addresses Extractor Tool on your system. After installation is done, click the Open button in the first tool’s opening window.

2. After that, select the Email Data Files option and click the OST Files, then choose the file from the folder option.

3. Then the tool starts displaying all the selected OST files in the tool’s preview panel. You can select all the individual emails to get a complete preview in the right display panel.

4. Now, you need to select the Extract option from the top ribbon bar. Then click the Email Addresses option from the drop-down section.

5. Then, finally, the tool will open the Extract Email Addresses window, where you need to select all the provided options as per your needs and then click the Save button to begin the process.

Manually Extract Email Addresses from Outlook OST File

Open Microsoft Outlook and go to File > Open & Export > Import/Export.
Then choose Export to a File and hit Next.
Now, select Outlook Data File (.pst) because that’s the required format.
Pick the specific folders you want to extract email data from.
Select a destination path and click Finish to save the exported file.

Limitations of the Manual Method

It is a time-consuming process when you are dealing with large OST files.
Cannot extract all email addresses simultaneously and requires technical expertise.
No support for extracting addresses from attachments.
It creates the risk of missing many hidden or repeated email IDs.

What are the Benefits of Using an OST Email Addresses Extractor Tool?

Freedom to select the Destination Location: This tool provides you with complete freedom to set the destination location of your extracted email data from OST files. You can choose the Browse option to set the final location of your resultant files.
Extract OST Attachments Email IDs: The best part of using an automatic tool is, it provides you with so many advanced options that no other tool can provide you. Or by getting more filters, you can use the tool in a more effective way.
Extract Email IDs from Selected Fields: Using an automatic tool can help you in multiple ways, like you can add multiple filters and options to get more specific results by using the automatic tool. This tool enables you to extract emails from To, Cc, From, Subject, Message Body, and Message Header.
Email Addresses Found: This OST Email addresses extractor displays all the found email addresses in the email addresses found section before saving them to the desired location. So that you can get a preview of all extracted email data before saving it.

Also Read: How to Import Multiple OST Files to Gmail Account?

Author’s Suggestion

Here, in this article. We described both manual and professional ways to extract email addresses from OST Files. You can use the above-mentioned automatic tool to extract multiple emails from OST files directly. If you want a completely safe, secure, and easy-to-use utility. Then this tool is unique in solving your query within a limited time and effort.