Friday 8th August 2025

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What is the Best Way to Open OST File Without Outlook?
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What is the Best Way to Open OST File Without Outlook?

Shella Negs

This blog is for users who are stuck with the OST file and don’t know what to do with it. The point is that one can’t open OST file without Outlook. Today, we will guide you to view OST emails without installing Outlook on your system. Now it’s time to explore the best solutions.

When a user stops using Outlook or it is shut down abruptly, you are left with an .ost file. You know the file holds valuable emails and other data, but without Outlook, opening it feels impossible. Since the OST file is tied to the Outlook environment that created it, it can’t be read.

However, converting its data into a readable file format makes it easy for you. Let’s talk about the options, but before that it will be better to know the reasons.

Why View OST Emails Without Outlook?

It’s common to face a situation where you have the OST file, but Outlook is not available or working. Here are some other common scenarios where users look for ways to open OST file without Outlook.

  • If the Outlook profile gets corrupted, then the OST file can’t be accessed.
  • When the account that is associated with Exchange is deleted, then in that situation, the OST file becomes orphaned.
  • In the case of a system crash, Outlook is not available, but the OST file still exists.
  • If the user accidentally deletes their Outlook profile, then it is impossible to open OST file.
  • Moving the new system with the old OST file, then the backup copy will not work.
  • You have imported data into OST file, but don’t want to go through the entire Outlook installation process.

How to Open OST File Without Outlook?

With the BLR OST File Converter, you can easily view your emails without Outlook installation. The software will effortlessly save OST emails to a document file such as PDF, CSV, EML, MSG, etc.  All you need to do is add the OST file and choose the saving option. The tool will start the conversion process, and then you can view OST emails without Outlook.

Moreover, the tool supports orphan, inaccessible, or damaged OST. You can try the demo version of the software to know its working process.

download free software

Steps to Read OST Emails Without Outlook

1. Run the BLR OST Email Converter on your system.

2. Then, click on Add file and browse the OST file.

Add the OST file you need to oepn

3. Choose the email folders you want to open.

Select the email folders

4. From the multiple export options, choose CSV or another document format.

Open OSt file without Outlook

5. Browse the saving location and hit the Export button.

view OST emails without outlook

Done! Here you export OST emails to CSV file. Now you can open this file on your system easily without Outlook. In the same manner, you can change OST file to PDF format, just choose it as an export option.

Why Use BLR to Open OST Emails Without Outlook?

  • This tool offers various outstanding features, including –
  • Open orphan, damaged, or corrupted OST file with ease.
  • Maintain folder and sub-folder structure while converting emails.
  • The software works on Windows 11, 10, 7, and other versions.
  • Options to takeout OST emails to PST and other file formats.
  • Date range filter to save emails from a particular date.
  • Simple and easy-to-use interface for every user.
  • This tool can also move OST file to Google Workspace and other webmail accounts.
  • The trial version will export 15 emails from each folder.

Conclusion

Here in this blog, we discuss the easy way to open OST file without Outlook installation. To complete the process, we suggest the best and secure BLR OST File Converter tool. It will effortlessly save all your OST file data into a document file that doesn’t require Outlook to open. You can try the demo version of the tool and analyze how it works. After that, you can move to the licensed version.

Frequently Asked Questions

Q1. Is it possible to open encrypted OST files without Outlook?

Ans. Yes. With the BLR Tools, you can open an encrypted or password-protected OST file with ease.

Q2. How to access emails from an OST file of a deleted Outlook profile?

Ans. Just add the OST file in the software and save it daat into a PDF, CSV, or EML. After that, you can access these files and your data as well.

Q3. How can I view OST files created by Outlook 2019 or Office 365?

Ans. Yes, the tool supports OST file from Outlook 2019, 2016, 2009, and others that created them.