Learn How to Repair Outlook OST Files ? Complete Guide

Summary: In this article, we will discuss a very specific method that has been successful to repair Outlook OST files without Outlook installation.

Let’s start our discussion considering an interesting user query.

Hello, I am Maria Coral. I worked as an Assistant General Manager in a book publishing company. Recently, I am working on a book for differently-abled children. The editor has made all the corrections in the book and sent me everything in OST files. I read all those changes in the Offline Outlook Data File at night. In the morning, when I tried to open those .ost files again, an error occurred, “this file can no longer be accessed, it gets corrupted” I don’t know what happened to my files. How the Outlook OST file gets corrupted? Now, what can I do in this situation? Please help!

“How can I repair my Outlook OST file?” It is one of the most frequent queries received by our support team. Sometimes, the user knows the reasons behind the damage of the OST file and sometimes not. In general, OST data files are very reliable, but they can eventually stop working or get damaged. But do not worry. You can repair Outlook OST files after it gets corrupted. An excellent way to repair Outlook OST file 2016, 2019 or later versions are discussed in this post. First, let’s understand some situations in which the user is interested in repairing Outlook OST file.

Common Reasons to Repair OST file

1. The user is unable to open the Outlook Data File (.ost) as happened in the above query.

2. If the Outlook application cannot open a particular set of folders.

3. The most common one is the Outlook OST file gets badly damaged.

4. Any human error that corrupted the OST files.

5. Virus or Malware attack due to which OST files are not getting opened

The user can handle all the above situation using the Outlook OST File Recovery tool. This application is designed to repair OST files of all possible situations. Also, it does not modify any information stored in the Offline Outlook data file. The Microsoft Outlook OST File Repair Tool is an easy-to-use application that repairs OST files from any corruption problem. Also, the best thing about the tool is that it overcomes all the limitations of manual fixes. The user only needs to perform some steps to repair an Outlook data file (.ost)

How to Repair Outlook OST Files ?

Whether you are using an edition of Outlook 2019 or an edition of Outlook 2016 and later versions, to repair Outlook OST file with ease, you need to follow the mentioned steps.

1. First, install and start the OST File Repair Tool on your Windows-based system. Read all instructions and click Next.

2. Now, select Select files / Select folders according to your requirement to load .ost files. Then click Next.

3. Choose the folder that contains the damaged OST files and press the Next button.

4. Here, in this step, the tool will analyze the data completely. This may take some time.

5. All Offline Outlook data files (OST) are restored correctly. Choose the folder according to your need and press the Next button.

6. You can also save repaired OST files in the Multiple Saving option. Select according to your requirement. Enter the destination path and click on the Convert button. The OST Repair Wizard starts moving the files to the desired format.

Now, get a brief overview of the OST Repair Tool. Also, know its remarkable features.

Outlook OST File Repair Tool – Features & Benefits

The software is a perfect amalgamation of high-end quality and optimal functionality. It is specially developed for all types of users. So, that user would not take single trouble when solving query “How to repair Offline Outlook Data File (.ost)” It is a trusted application and numbers of user have used this application to repair Outlook.ost data file. It maintains data integrity when repairing an OST file. The software comes with a number of amazing features that makes the Outlook OST File Repair simple and direct. Let’s know about them.

1. Repair OST file Effortlessly – The Repair MS Outlook OST File Tool recover corrupt OST file with greater proficiency to recover lost emails from OST file.

2. 100% Secure – The software is a reliable application that repair OST file Outlook 2010, 2016, 2013, and more.

3. Standalone – Outlook 2013 OST File Repair Tool is an independent platform that doesn’t require any installation to repair Outlook OST file. One can recover OST file of Outlook without MS Outlook installation.

4. Easy to Operate – Repair MS Outlook OST file Tool is a user-friendly program. Any user can use this utility without any technical knowledge. Also, its interface is simple and consistent.

5. Fast Processing – With Repair Outlook.ost Data File Software, the user can repair a number of OST files in less time. Also, the tool has no file size limitation when repairing OST files.


The blog mentioned above discusses the perfect way to repair Outlook OST files. Any user can follow this guide to repair Outlook OST file accurately. Also, software is an advanced solution to repair OST files of all versions of Outlook without its installation.

1 Comment
  1. Try ZOOK OST to PST Converter is most adorable solution to export and extract offline OST data into PST format. It easily converts OST to PST format to transfer and save Exchange OST to Outlook PST format. The tool enables user to access orphaned, IMAP, cached, crashed OST file into PST format which allows user to open OST file in Outlook. The tool can easily support all the latest versions of Microsoft Outlook i.e. Outlook 2016, 2013, 2010, 2007, 2003. users are capable to combine or join multiple OST files into one. Users can also test and check the capability of the utility which offers to convert 25 items from each folder of OST files into PST format without losing any data.
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