Home Technology Best Solution to rebuild OST file – A Complete Guide

Best Solution to rebuild OST file – A Complete Guide

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best method for ost file

Are you facing a problem while accessing the OST file due to Outlook data file corruption? , then stay here for the solutions. We have the best available techniques to rebuild OST file. In this blog, we will provide a manual procedure of OST repair with step-by-step instructions. Additionally, we will mention an automated approach to ease the process. In this approach, we will use the experts’ recommended software, the OST Recovery tool. But before that, let us learn the reasons for Outlook PST file corruption. 

Reasons for users facing Outlook OST corrupt issues

There are various reasons why users encounter outlook file corrupted problems. Some common reasons for corruption of OST files are as follows:

  1. Poor connectivity issues.
  2. Sudden malware attacks.
  3. OST file is oversized.
  4. Hardware and software failures.
  5. Power supply issues.

These all are reasons, users ask for queries like Can we repair OST file?, and How do we rebuild OST file? Now, let us now learn the methods for OST recovery.

Repair Outlook data file using Manual Ways

Method 1: Using Inbox Repair tool (ScanOST.exe) 

To analyze and restore errors in your Outlook data file manually, we will use the ScanOST.exe tool. The Inbox Repair tool scans the Outlook OST file on your computer to check the OST files and then repairs it. Follow the below instructions to recover the OST file using this method:

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  1. To start the process, double-click on ScanOST.exe.
  2. Now set your profile as driven by Outlook Settings and press on Connect.
  3. After that, select the options as per your requirements and tick on the Repair Errors check box to correct errors automatically.
  4. Finally, tap on Begin Scan.

The above method will take some time to scan OST files on your system and repair them. The manual approach mentioned above is beneficial. But manual ways are not capable of recovering critically corrupt OST files. Additionally, the manual methods also have some limitations that you should consider. Let’s discuss these drawbacks in detail in the succeeding context.

Shortcomings of Manual Approach

Given below are some drawbacks of using manual approach:

  1. ScanOST.exe software does not support Microsoft Outlook versions 2010, 2013, 2016, and 2019.
  2. Users may confront immediate data loss. Thus users are suggested to be careful while using manual ways.
  3. Lacks in recovering password-protected OST files. 
  4. It takes a lot of time to complete the restoring process.

These are some flaws of the manual process that users complain about. If you have the inadequate mastery to repair your file manually, you can use an automated recovery tool. Let us learn about the automated procedure in the below context.

Repair OST file Outlook 365 using Automated Approach

As you see, the above manual way is not entirely reliable in Outlook OST repair due to some weaknesses. So, we have a better alternative to help users rebuild OST file with ease. The other option we have is Automated Technique. In this process, we will use OST File Recovery Tool. The software lets users repair Outlook data file items, including tasks, calendars, memos, contacts, journals, etc. The tool saves recovered data to various file formats like MSG, PST, DBX, EML, MBOX, etc. This utility has a user-friendly interface. That’s why novice users can use this tool without difficulty. Moreover, it keeps the data intact during conversion. 


This post is for users facing the issue of Outlook file corrupted. For this, we discussed two solutions that are Manual and Automated Approaches. We explained the manual process and step-by-step instructions to make the task easier for users. However, the manual technique has some limitations. Thus, I recommend users try a simple method using the Automated tool. It will save your data from loss and your time.

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