How to Fix OST File failed to Load Issue – Best Possible Way

Summary: Do you want to know how to fix OST file failed to load error in Microsoft Outlook? Here in this blog, we will discuss 2 different methods to resolve this Outlook POST file is not loading issue. The users can remove Outlook OST failed to load issue by following the simple steps explained in the blog. Reading the article.

Microsoft Outlook is the most commonly used email client by business users. There are two types of file formats provided by MS Outlook, i.e., PST and OST. PST is simply known as Personal Storage Table and it can store all data items such as contacts, emails, notes, attachments, calendars, and so on.

On the other hand, OST stands for Offline Storage Table. Basically, it is generated when there is a connection between the Exchange server and MS Outlook mail account or when configured with an IMAP account. It facilitates users to work in an offline mode by using cached data.

Hence, the OST file plays an important role when users suffer the issues like restricted connectivity and server downtime. These symptoms show terror in OST files and also display an error message. So, most of the users are unable to access their mailbox data. Therefore, we are going to explain some methods to resolve the OST file failed to load error. Before preceding that, let us explore some common reasons behind the occurrence of this issue.

Reasons Behind OST File Failed to Load Error

There are four basic reasons why this error message displays. Some of the reasons are listed below:

1. The problem occurs when users try to open a .ost file on the desktop
2. The issue raises while opening mailboxes in MS Exchange Server
3. This error occurs due to a slow internet connection
4. When many users try to access the same Outlook OST file at a time

Some Common Issues of OST Files in MS Outlook

• The Outlook OST file is in use but cannot be retrieved
• Multiple sets of Outlook folders cannot be displayed
• MS Outlook window is not answering properly
• Outlook .ost file is in use by an alternate application
• After understanding such queries or problems related to the Offline OST file. Now, we will discuss the various solution to fix the problem that occurs in the OST file.

How to Resolve OST File Failed to Load Error Message Manually?

Basically, to overcome the .ost issue, users need to perform some simple steps. First, users have to take a backup of the Outlook OST file. After that, they will get rid of the errors. In the below section, we will discuss the two manual approaches to resolve this issue.

Solution 1: Close all Running Processes of Outlook

Under this method, you must have to follow the given below steps:

1. First, click on the Taskbar menu and then select the Task Manager option.
2. Next, choose the Processes tab.
3. Now, you need to try to view anything like, “Lync” and “Outlook”. If you find any option, then select it and hit on the End Task button.

Solution 2: Use Cached Exchange Mode

1. Initially, close the MS Outlook application.
2. Now, go to the Control panel, then select mail, and after that choose the Email Accounts option.
3. After that, choose the email address that has the username.ost issue. Then, click on the Change option.
4. Next, you can uncheck the option by using the Cached Exchange Mode.
5. In the final step, select the Next button & after that, click on the Finish button to remove Outlook OST failed to load error.

Drawbacks of Manual Methods

There are the following limitations of the manual approaches. Some of them are given below:

• This process is very lengthy and time-consuming.
• It is not a fruitful method for a non-technical user.

A Reliable Solution to Resolve OST File Failed to Load Issue

There is an alternative method to fix the problem which is SysTools OST to PST Conversion Software. It will overcome the above-described limitations of the manual approach. This software helps users to fix all problems related to the .ost file. It has a simple and user-friendly interface that even a novice user can avail this tool without taking any external help. Moreover, this tool has some advanced features. They are given below just have a look:

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• Recover & save Outlook .ost file into different file formats
• Recover and repair corrupt Outlook OST files easily
• Recover permanently deleted emails from OST files and other items like calendars, contacts, tasks, etc.
• It allows users to recover the .ost file of both compressible & high-level encryption
• It has a facility to break the exported file into a smaller size to avoid the file corruption

The Final Words

When users try to access their OST file in MS Outlook, they may face some issues. Out of them, one of the most common issues is OST file failed to load error message. Thus, to resolve this problem we have discussed two approaches in this article.

But, these manual methods have some limitations such as it being a very long and time-consuming process. Hence, users can take help from an easy and quick solution. This application helps users to eliminate the problem in an absolute way.