Proven Tricks to Open OST File Without Outlook

Microsoft Outlook is becoming a widespread webmail client, and users are using OST and PST file formats. OST is also a necessary file format. Outlook cached or OST files store in the data of the user profile. As I have already mentioned, MS Outlook supports OST files. For example, a user has not installed MS Outlook on their local system. Moreover, it is a difficult task to read the OST file data. So, here in this write-up, I will discuss the solution so that users get the answer on How to open OST file without Outlook requirements. 

MS Outlook develops an OST file when a user syncs his account with the settings of MS Exchange. All Exchange Mailbox items like – contacts, emails, notes, tasks, and many others store in it. Users can do their work in Offline mode with the help of OST files even when they are facing a network problem. Along with that, there is a problem that only MS Outlook can support OST files. Moving ahead, I will discuss some common reasons to open OST files without Outlook.  

Reasons to View OST File Without Outlook 

When the webmail client configures the Exchange Server in cached mode, the OST file will create. Even if your Outlook profile sync as a mailbox of Exchange, you can still access your OST files. But sometimes, the Microsoft Exchange Server account is accidentally deleted or inaccessible, and your OST file will become corrupt. In addition, configuration problems that arise between the Outlook email client and Exchange Server may cause OST orphaned files. 

In an upcoming section, I will also highlight some common reasons why your OST files become orphaned or damaged. 

• Malware or Virus infection.
• Abrupt or sudden shutdown of MS Outlook application.
• Due to the inadvertent deletion of the Microsoft Outlook Account on the MS Exchange server.
• Failure of Storage Media.
• Random deletion of Exchange account.

I have discussed some reasons and hope your doubts are cleared about why there is a need to install Outlook. Furthermore, I will talk about a reliable solution that will help users to read OST file without Outlook.  

How to Open OST File Without Outlook? 

There is no direct method that will help you to view OST file without Outlook. You need to use a third-party utility. Sysinfo OST to PST Converter is the best solution to read OST file without Outlook. IT Professionals and experts recommend this utility as it converts OST files into various formats, such as PDF, MBOX, etc. It migrates all mailbox items of OST files like contacts, emails, journals, notes, and tasks. Furthermore, I will mention the steps for clearing all your doubts.

Steps: 

• Start the Tool on your local system and Browse your desired OST files.
• After that, you can Preview your desired OST files and click on the Next button.
• Now, select PST as a saving format from the drop-down list.
• You can opt for the features as per your requirement.
• In the end, click on the convert button.

Here, I have highlighted the steps to view OST file without Outlook efficiently. Even you can simply do the conversion process with attachments. Additionally, this software creates a proper folder hierarchy. Along with that, there is an option to migrate emails without attachments and remove duplicate emails. 

Final Words 

Opening or viewing an orphaned OST file is a tedious task. Most of the time, the manual procedure does not work. Hence, it is a much better way to opt for professional software. It can assist users in viewing/reading and also helps to open OST file without Outlook. The utility is versatile, and there are no possibilities of losing data while opening the OST files. I hope you find enough information. You can also utilize a free demo version of this utility to verify the tool’s functionality.