How to Open OST File Without Exchange Server?- Issue Solved

 How to Open OST File Without Exchange Server?- Issue Solved

The OST file is an Outlook offline data file that is a copy of the items on the MS Outlook Exchange server. On their framework, the user usually has a copy of the mailbox files. Users of Outlook, on the other hand, will be unable to open OST file without Exchange Server.

As a result, we’ll look at the finest techniques to dealing with this situation in this blog.

Reasons Why OST file is not Opening:

There are many reasons why user is unable to Open their OST file, Such as:

1. Corruption and inaccessibility issue

2. Virus outbreaks,

3. Sudden system shutdown

4. The Outlook Account on the Exchange Server was accidentally deleted.

In some cases, it’s difficult to open an OST file without using Exchange Server. Therefore, I’m going to show you a unique and simple approach that will assist you in resolving such situations. Users just need to reconstruct the OST file, which will allow the user to access the data.

However, there are two ways to open OST files without Exchange Server, which are:

First is, Recreating the OST File from the server,

And Second is to, view OST file by a Free tool.

By using any of these two methods users can easily resolve their issue regarding this problem. However, there is also a Professional Solution available in the market. It is up to user to choose any of the method according to their requirement.

Method 1. Recreate OST File From Server

OST file are the offline format of the data that is present on the server. User can also view their file by just simply downloading it from the server. Follow these steps below to recreate OST file:-

1. Close MS Outlook and then go to the Control Panel.
2. Choose the Mail option.
3. On page, a Mail Setup dialogue box will appear.
4. Select Email Accounts from the drop-down menu.
5. A new dialogue box titled Account Setting will appear on the screen.
6. Select your account from the Data Files option.
7. Pick the OST file and then select Open File Location from the drop-down menu.
8. Open the Outlook application again by right-clicking on that OST file and selecting Delete.

Method 2. Using OST Viewer for Open OST File in Exchange Server

Unfortunately, opening an Outlook OST file without Outlook email or Exchange Server being in sync is a challenging operation.

You may, however, use the SysTools OST Viewer software to open an OST file without using an Exchange Server or MS Outlook.

This is a free application that you can use without spending any of your money.

All you have to do now is download the free trial version and give it a try. The user interface is simple and intuitive.

Moreover, this software is compatible with all the versions of Windows OS. No matter what the version the user is working on to resolve this issue, this tool will run on all prior versions. It supports Windows 10, 8, 8.1, 7, 6 and all other versions of Windows OS.

User can easily read and view OST file by just simply using this tool, that too without having to depend on any other email client. There is no need for Exchange Server in order to view OST file. However, this tool itself is self-sufficient.

It also provides user the option to view orphan and corrupted files. The advanced scan option scans the OST file and eliminates the corruption.

After words, the save scan mode allows users to save the now healthy file to application’s interface.
Users can also load the saved OST file just by clicking on the Load scan option.

Expert Solution to the Rescue to Open OST File in Exchange Server

As we know there are many third-party solution available in the market, but the best solution to open OST file in Exchange Server will be SysTools OST to PST Converter. It will resolve users issue regarding of opening OST file without Exchange Server. It has great feature that will surely give users amazing results.

This application:-

Manages Folder Structure:

It maintains the folder structure of the Output PST file as per source format. Along with that, users can check the option to manage folder hierarchy or uncheck the option to get the flat hierarchy.

Convert All type of OST to PST Format:

Users can easily convert corrupt, IMAP, Office365 and Exchange Server OST file without any problem. With it’s simple yet modern interface any user from technical or non-technical can utilize this tool without dealing with any of problem.

Batch Export Orphan Files:

This tool can export orphan and corrupted OST files in bulk for Outlook 2019, 2016, 2013, 2010, 2007 and so on. It helps to export all the data stored in various OST files that includes emails, journals, tasks, and contacts etc.

Outlook Compatible:

This application works evenly with every version Microsoft Outlook. Users can export OST to PST in Outlook Version 2019, 2016, 2013, 2010 and 2007, 2003.

Keeps Metadata Intact After Process:

Users may simply convert all emails, including attachments, stored in an offline data file to Outlook PST format with this programme. It maintains the originality of all metadata items intact. Moreover, it also manage the original format of the OST file item even after the process.


The demo version of this tool allows users to export only 25 items from each folder. The pro-edition version of this utility is also available for purchase.


In this blog, we have discussed about different ways to access OST file without the Exchange Server. Along with that, we have talked about various reasons by which we are unable to open OST file. Users can choose between manual and professional solutions.

Users can, however, use the Free way to see the OST file because they will not have to pay for it. They may just view the file using the Free way. However, customers must use a professional solution to update or share data with others.

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